Home / 10,178.22-15,345.80-10,115.04

Finding the Fourth Proportional to 10,178.22, 15,345.80 and 10,115.04

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Solution

The fourth proportional to 10,178.22, 15,345.80 and 10,115.04 is: 15,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.22 : 15,345.80 = 10,115.04 : x
  2. Step 2: Convert to fraction form
    10,178.22/15,345.80 = 10,115.04/x
  3. Step 3: Cross multiply
    10,178.22x = 15,345.80 × 10,115.04
  4. Step 4: Simplify right side
    10,178.22x = 155,223,330.26
  5. Step 5: Solve for x
    x = 155,223,330.26/10,178.22
  6. Step 6: Final answer
    x = 15,250.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.