Home / 16,989.66-25,444.29-8,649.09

Finding the Fourth Proportional to 16,989.66, 25,444.29 and 8,649.09

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Solution

The fourth proportional to 16,989.66, 25,444.29 and 8,649.09 is: 12,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.66 : 25,444.29 = 8,649.09 : x
  2. Step 2: Convert to fraction form
    16,989.66/25,444.29 = 8,649.09/x
  3. Step 3: Cross multiply
    16,989.66x = 25,444.29 × 8,649.09
  4. Step 4: Simplify right side
    16,989.66x = 220,069,954.20
  5. Step 5: Solve for x
    x = 220,069,954.20/16,989.66
  6. Step 6: Final answer
    x = 12,953.17

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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.