Home / 18,102.34-27,168.18-9,339.76

Finding the Fourth Proportional to 18,102.34, 27,168.18 and 9,339.76

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Solution

The fourth proportional to 18,102.34, 27,168.18 and 9,339.76 is: 14,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.34 : 27,168.18 = 9,339.76 : x
  2. Step 2: Convert to fraction form
    18,102.34/27,168.18 = 9,339.76/x
  3. Step 3: Cross multiply
    18,102.34x = 27,168.18 × 9,339.76
  4. Step 4: Simplify right side
    18,102.34x = 253,744,280.84
  5. Step 5: Solve for x
    x = 253,744,280.84/18,102.34
  6. Step 6: Final answer
    x = 14,017.21

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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.