Home / 19,585.28-29,382.35-6,437.76

Finding the Fourth Proportional to 19,585.28, 29,382.35 and 6,437.76

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Solution

The fourth proportional to 19,585.28, 29,382.35 and 6,437.76 is: 9,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.28 : 29,382.35 = 6,437.76 : x
  2. Step 2: Convert to fraction form
    19,585.28/29,382.35 = 6,437.76/x
  3. Step 3: Cross multiply
    19,585.28x = 29,382.35 × 6,437.76
  4. Step 4: Simplify right side
    19,585.28x = 189,156,485.35
  5. Step 5: Solve for x
    x = 189,156,485.35/19,585.28
  6. Step 6: Final answer
    x = 9,658.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.