Home / 18,402.34-27,604.59-5,253.70

Finding the Fourth Proportional to 18,402.34, 27,604.59 and 5,253.70

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Solution

The fourth proportional to 18,402.34, 27,604.59 and 5,253.70 is: 7,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.34 : 27,604.59 = 5,253.70 : x
  2. Step 2: Convert to fraction form
    18,402.34/27,604.59 = 5,253.70/x
  3. Step 3: Cross multiply
    18,402.34x = 27,604.59 × 5,253.70
  4. Step 4: Simplify right side
    18,402.34x = 145,026,234.48
  5. Step 5: Solve for x
    x = 145,026,234.48/18,402.34
  6. Step 6: Final answer
    x = 7,880.86

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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.