Home / 18,146.62-27,220.20-6,459.54

Finding the Fourth Proportional to 18,146.62, 27,220.20 and 6,459.54

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Solution

The fourth proportional to 18,146.62, 27,220.20 and 6,459.54 is: 9,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.62 : 27,220.20 = 6,459.54 : x
  2. Step 2: Convert to fraction form
    18,146.62/27,220.20 = 6,459.54/x
  3. Step 3: Cross multiply
    18,146.62x = 27,220.20 × 6,459.54
  4. Step 4: Simplify right side
    18,146.62x = 175,829,970.71
  5. Step 5: Solve for x
    x = 175,829,970.71/18,146.62
  6. Step 6: Final answer
    x = 9,689.41

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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.