Home / 16,882.40-25,345.20-8,991.20

Finding the Fourth Proportional to 16,882.40, 25,345.20 and 8,991.20

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Solution

The fourth proportional to 16,882.40, 25,345.20 and 8,991.20 is: 13,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882.40 : 25,345.20 = 8,991.20 : x
  2. Step 2: Convert to fraction form
    16,882.40/25,345.20 = 8,991.20/x
  3. Step 3: Cross multiply
    16,882.40x = 25,345.20 × 8,991.20
  4. Step 4: Simplify right side
    16,882.40x = 227,883,762.24
  5. Step 5: Solve for x
    x = 227,883,762.24/16,882.40
  6. Step 6: Final answer
    x = 13,498.30

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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.