Home / 18,402.93-27,607.14-8,543.22

Finding the Fourth Proportional to 18,402.93, 27,607.14 and 8,543.22

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Solution

The fourth proportional to 18,402.93, 27,607.14 and 8,543.22 is: 12,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.93 : 27,607.14 = 8,543.22 : x
  2. Step 2: Convert to fraction form
    18,402.93/27,607.14 = 8,543.22/x
  3. Step 3: Cross multiply
    18,402.93x = 27,607.14 × 8,543.22
  4. Step 4: Simplify right side
    18,402.93x = 235,853,870.59
  5. Step 5: Solve for x
    x = 235,853,870.59/18,402.93
  6. Step 6: Final answer
    x = 12,816.10

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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.