Home / 10,392.52-15,588.78-5,197.18

Finding the Fourth Proportional to 10,392.52, 15,588.78 and 5,197.18

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Solution

The fourth proportional to 10,392.52, 15,588.78 and 5,197.18 is: 7,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.52 : 15,588.78 = 5,197.18 : x
  2. Step 2: Convert to fraction form
    10,392.52/15,588.78 = 5,197.18/x
  3. Step 3: Cross multiply
    10,392.52x = 15,588.78 × 5,197.18
  4. Step 4: Simplify right side
    10,392.52x = 81,017,695.64
  5. Step 5: Solve for x
    x = 81,017,695.64/10,392.52
  6. Step 6: Final answer
    x = 7,795.77

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.