Home / 16,867.60-25,316.88-8,553.40

Finding the Fourth Proportional to 16,867.60, 25,316.88 and 8,553.40

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Solution

The fourth proportional to 16,867.60, 25,316.88 and 8,553.40 is: 12,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.60 : 25,316.88 = 8,553.40 : x
  2. Step 2: Convert to fraction form
    16,867.60/25,316.88 = 8,553.40/x
  3. Step 3: Cross multiply
    16,867.60x = 25,316.88 × 8,553.40
  4. Step 4: Simplify right side
    16,867.60x = 216,545,401.39
  5. Step 5: Solve for x
    x = 216,545,401.39/16,867.60
  6. Step 6: Final answer
    x = 12,837.95

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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.