Home / 17,845.51-24,626.76-9,887.65

Finding the Fourth Proportional to 17,845.51, 24,626.76 and 9,887.65

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Solution

The fourth proportional to 17,845.51, 24,626.76 and 9,887.65 is: 13,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.51 : 24,626.76 = 9,887.65 : x
  2. Step 2: Convert to fraction form
    17,845.51/24,626.76 = 9,887.65/x
  3. Step 3: Cross multiply
    17,845.51x = 24,626.76 × 9,887.65
  4. Step 4: Simplify right side
    17,845.51x = 243,500,783.51
  5. Step 5: Solve for x
    x = 243,500,783.51/17,845.51
  6. Step 6: Final answer
    x = 13,644.93

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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.