Home / 10,177.50-15,265.03-4,335.78

Finding the Fourth Proportional to 10,177.50, 15,265.03 and 4,335.78

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Solution

The fourth proportional to 10,177.50, 15,265.03 and 4,335.78 is: 6,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.50 : 15,265.03 = 4,335.78 : x
  2. Step 2: Convert to fraction form
    10,177.50/15,265.03 = 4,335.78/x
  3. Step 3: Cross multiply
    10,177.50x = 15,265.03 × 4,335.78
  4. Step 4: Simplify right side
    10,177.50x = 66,185,792.64
  5. Step 5: Solve for x
    x = 66,185,792.64/10,177.50
  6. Step 6: Final answer
    x = 6,503.15

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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.