Home / 16,867.40-25,316.40-8,553.20

Finding the Fourth Proportional to 16,867.40, 25,316.40 and 8,553.20

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Solution

The fourth proportional to 16,867.40, 25,316.40 and 8,553.20 is: 12,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.40 : 25,316.40 = 8,553.20 : x
  2. Step 2: Convert to fraction form
    16,867.40/25,316.40 = 8,553.20/x
  3. Step 3: Cross multiply
    16,867.40x = 25,316.40 × 8,553.20
  4. Step 4: Simplify right side
    16,867.40x = 216,536,232.48
  5. Step 5: Solve for x
    x = 216,536,232.48/16,867.40
  6. Step 6: Final answer
    x = 12,837.56

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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.