Home / 18,333.06-27,490.29-8,959.06

Finding the Fourth Proportional to 18,333.06, 27,490.29 and 8,959.06

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Solution

The fourth proportional to 18,333.06, 27,490.29 and 8,959.06 is: 13,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.06 : 27,490.29 = 8,959.06 : x
  2. Step 2: Convert to fraction form
    18,333.06/27,490.29 = 8,959.06/x
  3. Step 3: Cross multiply
    18,333.06x = 27,490.29 × 8,959.06
  4. Step 4: Simplify right side
    18,333.06x = 246,287,157.53
  5. Step 5: Solve for x
    x = 246,287,157.53/18,333.06
  6. Step 6: Final answer
    x = 13,434.05

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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.