Home / 18,002.64-26,995.59-5,519.46

Finding the Fourth Proportional to 18,002.64, 26,995.59 and 5,519.46

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Solution

The fourth proportional to 18,002.64, 26,995.59 and 5,519.46 is: 8,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.64 : 26,995.59 = 5,519.46 : x
  2. Step 2: Convert to fraction form
    18,002.64/26,995.59 = 5,519.46/x
  3. Step 3: Cross multiply
    18,002.64x = 26,995.59 × 5,519.46
  4. Step 4: Simplify right side
    18,002.64x = 149,001,079.18
  5. Step 5: Solve for x
    x = 149,001,079.18/18,002.64
  6. Step 6: Final answer
    x = 8,276.62

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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.