Home / 40,095.90-60,143.85-10,513.62

Finding the Fourth Proportional to 40,095.90, 60,143.85 and 10,513.62

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Solution

The fourth proportional to 40,095.90, 60,143.85 and 10,513.62 is: 15,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,095.90 : 60,143.85 = 10,513.62 : x
  2. Step 2: Convert to fraction form
    40,095.90/60,143.85 = 10,513.62/x
  3. Step 3: Cross multiply
    40,095.90x = 60,143.85 × 10,513.62
  4. Step 4: Simplify right side
    40,095.90x = 632,329,584.24
  5. Step 5: Solve for x
    x = 632,329,584.24/40,095.90
  6. Step 6: Final answer
    x = 15,770.43

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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.