Home / 10,614.09-15,920.87-5,071.35

Finding the Fourth Proportional to 10,614.09, 15,920.87 and 5,071.35

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Solution

The fourth proportional to 10,614.09, 15,920.87 and 5,071.35 is: 7,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.09 : 15,920.87 = 5,071.35 : x
  2. Step 2: Convert to fraction form
    10,614.09/15,920.87 = 5,071.35/x
  3. Step 3: Cross multiply
    10,614.09x = 15,920.87 × 5,071.35
  4. Step 4: Simplify right side
    10,614.09x = 80,740,278.72
  5. Step 5: Solve for x
    x = 80,740,278.72/10,614.09
  6. Step 6: Final answer
    x = 7,606.90

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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.