Home / 10,729.92-14,815.68-6,954.88

Finding the Fourth Proportional to 10,729.92, 14,815.68 and 6,954.88

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Solution

The fourth proportional to 10,729.92, 14,815.68 and 6,954.88 is: 9,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.92 : 14,815.68 = 6,954.88 : x
  2. Step 2: Convert to fraction form
    10,729.92/14,815.68 = 6,954.88/x
  3. Step 3: Cross multiply
    10,729.92x = 14,815.68 × 6,954.88
  4. Step 4: Simplify right side
    10,729.92x = 103,041,276.52
  5. Step 5: Solve for x
    x = 103,041,276.52/10,729.92
  6. Step 6: Final answer
    x = 9,603.17

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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.