Home / 10,087.29-15,119.71-7,614.09

Finding the Fourth Proportional to 10,087.29, 15,119.71 and 7,614.09

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Solution

The fourth proportional to 10,087.29, 15,119.71 and 7,614.09 is: 11,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.29 : 15,119.71 = 7,614.09 : x
  2. Step 2: Convert to fraction form
    10,087.29/15,119.71 = 7,614.09/x
  3. Step 3: Cross multiply
    10,087.29x = 15,119.71 × 7,614.09
  4. Step 4: Simplify right side
    10,087.29x = 115,122,832.71
  5. Step 5: Solve for x
    x = 115,122,832.71/10,087.29
  6. Step 6: Final answer
    x = 11,412.66

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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.