Home / 16,929.30-25,418.61-12,500.63

Finding the Fourth Proportional to 16,929.30, 25,418.61 and 12,500.63

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Solution

The fourth proportional to 16,929.30, 25,418.61 and 12,500.63 is: 18,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.30 : 25,418.61 = 12,500.63 : x
  2. Step 2: Convert to fraction form
    16,929.30/25,418.61 = 12,500.63/x
  3. Step 3: Cross multiply
    16,929.30x = 25,418.61 × 12,500.63
  4. Step 4: Simplify right side
    16,929.30x = 317,748,606.95
  5. Step 5: Solve for x
    x = 317,748,606.95/16,929.30
  6. Step 6: Final answer
    x = 18,769.15

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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.