Home / 15,337.17-21,158.69-9,667.44

Finding the Fourth Proportional to 15,337.17, 21,158.69 and 9,667.44

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Solution

The fourth proportional to 15,337.17, 21,158.69 and 9,667.44 is: 13,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337.17 : 21,158.69 = 9,667.44 : x
  2. Step 2: Convert to fraction form
    15,337.17/21,158.69 = 9,667.44/x
  3. Step 3: Cross multiply
    15,337.17x = 21,158.69 × 9,667.44
  4. Step 4: Simplify right side
    15,337.17x = 204,550,317.72
  5. Step 5: Solve for x
    x = 204,550,317.72/15,337.17
  6. Step 6: Final answer
    x = 13,336.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.