Home / 19,931.52-29,884.80-8,837.76

Finding the Fourth Proportional to 19,931.52, 29,884.80 and 8,837.76

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Solution

The fourth proportional to 19,931.52, 29,884.80 and 8,837.76 is: 13,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.52 : 29,884.80 = 8,837.76 : x
  2. Step 2: Convert to fraction form
    19,931.52/29,884.80 = 8,837.76/x
  3. Step 3: Cross multiply
    19,931.52x = 29,884.80 × 8,837.76
  4. Step 4: Simplify right side
    19,931.52x = 264,114,690.05
  5. Step 5: Solve for x
    x = 264,114,690.05/19,931.52
  6. Step 6: Final answer
    x = 13,251.11

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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.