Home / 18,088.72-27,126.30-6,239.20

Finding the Fourth Proportional to 18,088.72, 27,126.30 and 6,239.20

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Solution

The fourth proportional to 18,088.72, 27,126.30 and 6,239.20 is: 9,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.72 : 27,126.30 = 6,239.20 : x
  2. Step 2: Convert to fraction form
    18,088.72/27,126.30 = 6,239.20/x
  3. Step 3: Cross multiply
    18,088.72x = 27,126.30 × 6,239.20
  4. Step 4: Simplify right side
    18,088.72x = 169,246,410.96
  5. Step 5: Solve for x
    x = 169,246,410.96/18,088.72
  6. Step 6: Final answer
    x = 9,356.46

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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.