Home / 14,589.12-20,141.28-9,635.52

Finding the Fourth Proportional to 14,589.12, 20,141.28 and 9,635.52

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Solution

The fourth proportional to 14,589.12, 20,141.28 and 9,635.52 is: 13,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.12 : 20,141.28 = 9,635.52 : x
  2. Step 2: Convert to fraction form
    14,589.12/20,141.28 = 9,635.52/x
  3. Step 3: Cross multiply
    14,589.12x = 20,141.28 × 9,635.52
  4. Step 4: Simplify right side
    14,589.12x = 194,071,706.27
  5. Step 5: Solve for x
    x = 194,071,706.27/14,589.12
  6. Step 6: Final answer
    x = 13,302.50

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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.