Home / 16,875.60-25,318.80-5,789.40

Finding the Fourth Proportional to 16,875.60, 25,318.80 and 5,789.40

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Solution

The fourth proportional to 16,875.60, 25,318.80 and 5,789.40 is: 8,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.60 : 25,318.80 = 5,789.40 : x
  2. Step 2: Convert to fraction form
    16,875.60/25,318.80 = 5,789.40/x
  3. Step 3: Cross multiply
    16,875.60x = 25,318.80 × 5,789.40
  4. Step 4: Simplify right side
    16,875.60x = 146,580,660.72
  5. Step 5: Solve for x
    x = 146,580,660.72/16,875.60
  6. Step 6: Final answer
    x = 8,685.95

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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.