Home / 11,359.50-15,624.07-9,116.46

Finding the Fourth Proportional to 11,359.50, 15,624.07 and 9,116.46

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Solution

The fourth proportional to 11,359.50, 15,624.07 and 9,116.46 is: 12,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.50 : 15,624.07 = 9,116.46 : x
  2. Step 2: Convert to fraction form
    11,359.50/15,624.07 = 9,116.46/x
  3. Step 3: Cross multiply
    11,359.50x = 15,624.07 × 9,116.46
  4. Step 4: Simplify right side
    11,359.50x = 142,436,209.19
  5. Step 5: Solve for x
    x = 142,436,209.19/11,359.50
  6. Step 6: Final answer
    x = 12,538.95

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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.