Home / 16,930.80-25,400.58-9,916.74

Finding the Fourth Proportional to 16,930.80, 25,400.58 and 9,916.74

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Solution

The fourth proportional to 16,930.80, 25,400.58 and 9,916.74 is: 14,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.80 : 25,400.58 = 9,916.74 : x
  2. Step 2: Convert to fraction form
    16,930.80/25,400.58 = 9,916.74/x
  3. Step 3: Cross multiply
    16,930.80x = 25,400.58 × 9,916.74
  4. Step 4: Simplify right side
    16,930.80x = 251,890,947.71
  5. Step 5: Solve for x
    x = 251,890,947.71/16,930.80
  6. Step 6: Final answer
    x = 14,877.68

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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.