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Finding the Fourth Proportional to 10,937, 15,093.06 and 6,747.68

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Solution

The fourth proportional to 10,937, 15,093.06 and 6,747.68 is: 9,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937 : 15,093.06 = 6,747.68 : x
  2. Step 2: Convert to fraction form
    10,937/15,093.06 = 6,747.68/x
  3. Step 3: Cross multiply
    10,937x = 15,093.06 × 6,747.68
  4. Step 4: Simplify right side
    10,937x = 101,843,139.10
  5. Step 5: Solve for x
    x = 101,843,139.10/10,937
  6. Step 6: Final answer
    x = 9,311.80

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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.