Home / 16,916.20-25,374.30-9,917.80

Finding the Fourth Proportional to 16,916.20, 25,374.30 and 9,917.80

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Solution

The fourth proportional to 16,916.20, 25,374.30 and 9,917.80 is: 14,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.20 : 25,374.30 = 9,917.80 : x
  2. Step 2: Convert to fraction form
    16,916.20/25,374.30 = 9,917.80/x
  3. Step 3: Cross multiply
    16,916.20x = 25,374.30 × 9,917.80
  4. Step 4: Simplify right side
    16,916.20x = 251,657,232.54
  5. Step 5: Solve for x
    x = 251,657,232.54/16,916.20
  6. Step 6: Final answer
    x = 14,876.70

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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.