Home / 16,285.12-24,429.12-8,886.40

Finding the Fourth Proportional to 16,285.12, 24,429.12 and 8,886.40

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Solution

The fourth proportional to 16,285.12, 24,429.12 and 8,886.40 is: 13,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,285.12 : 24,429.12 = 8,886.40 : x
  2. Step 2: Convert to fraction form
    16,285.12/24,429.12 = 8,886.40/x
  3. Step 3: Cross multiply
    16,285.12x = 24,429.12 × 8,886.40
  4. Step 4: Simplify right side
    16,285.12x = 217,086,931.97
  5. Step 5: Solve for x
    x = 217,086,931.97/16,285.12
  6. Step 6: Final answer
    x = 13,330.39

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1.5x scale

Why These Related Problems?

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