Home / 10,385.03-15,577.61-4,146.62

Finding the Fourth Proportional to 10,385.03, 15,577.61 and 4,146.62

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Solution

The fourth proportional to 10,385.03, 15,577.61 and 4,146.62 is: 6,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.03 : 15,577.61 = 4,146.62 : x
  2. Step 2: Convert to fraction form
    10,385.03/15,577.61 = 4,146.62/x
  3. Step 3: Cross multiply
    10,385.03x = 15,577.61 × 4,146.62
  4. Step 4: Simplify right side
    10,385.03x = 64,594,330.56
  5. Step 5: Solve for x
    x = 64,594,330.56/10,385.03
  6. Step 6: Final answer
    x = 6,219.95

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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.