Home / 12,535.04-17,299.12-7,229.76

Finding the Fourth Proportional to 12,535.04, 17,299.12 and 7,229.76

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Solution

The fourth proportional to 12,535.04, 17,299.12 and 7,229.76 is: 9,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.04 : 17,299.12 = 7,229.76 : x
  2. Step 2: Convert to fraction form
    12,535.04/17,299.12 = 7,229.76/x
  3. Step 3: Cross multiply
    12,535.04x = 17,299.12 × 7,229.76
  4. Step 4: Simplify right side
    12,535.04x = 125,068,485.81
  5. Step 5: Solve for x
    x = 125,068,485.81/12,535.04
  6. Step 6: Final answer
    x = 9,977.51

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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.