Home / 16,808.90-25,215.66-5,712.61

Finding the Fourth Proportional to 16,808.90, 25,215.66 and 5,712.61

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Solution

The fourth proportional to 16,808.90, 25,215.66 and 5,712.61 is: 8,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.90 : 25,215.66 = 5,712.61 : x
  2. Step 2: Convert to fraction form
    16,808.90/25,215.66 = 5,712.61/x
  3. Step 3: Cross multiply
    16,808.90x = 25,215.66 × 5,712.61
  4. Step 4: Simplify right side
    16,808.90x = 144,047,154.15
  5. Step 5: Solve for x
    x = 144,047,154.15/16,808.90
  6. Step 6: Final answer
    x = 8,569.70

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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.