Home / 10,937.72-15,088.92-6,458.42

Finding the Fourth Proportional to 10,937.72, 15,088.92 and 6,458.42

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Solution

The fourth proportional to 10,937.72, 15,088.92 and 6,458.42 is: 8,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.72 : 15,088.92 = 6,458.42 : x
  2. Step 2: Convert to fraction form
    10,937.72/15,088.92 = 6,458.42/x
  3. Step 3: Cross multiply
    10,937.72x = 15,088.92 × 6,458.42
  4. Step 4: Simplify right side
    10,937.72x = 97,450,507.26
  5. Step 5: Solve for x
    x = 97,450,507.26/10,937.72
  6. Step 6: Final answer
    x = 8,909.59

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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.