Home / 10,937.29-15,091.68-6,460.42

Finding the Fourth Proportional to 10,937.29, 15,091.68 and 6,460.42

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Solution

The fourth proportional to 10,937.29, 15,091.68 and 6,460.42 is: 8,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.29 : 15,091.68 = 6,460.42 : x
  2. Step 2: Convert to fraction form
    10,937.29/15,091.68 = 6,460.42/x
  3. Step 3: Cross multiply
    10,937.29x = 15,091.68 × 6,460.42
  4. Step 4: Simplify right side
    10,937.29x = 97,498,591.31
  5. Step 5: Solve for x
    x = 97,498,591.31/10,937.29
  6. Step 6: Final answer
    x = 8,914.33

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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.