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Finding the Fourth Proportional to 40,474.10, 60,706.80 and 10,894.93

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Solution

The fourth proportional to 40,474.10, 60,706.80 and 10,894.93 is: 16,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,474.10 : 60,706.80 = 10,894.93 : x
  2. Step 2: Convert to fraction form
    40,474.10/60,706.80 = 10,894.93/x
  3. Step 3: Cross multiply
    40,474.10x = 60,706.80 × 10,894.93
  4. Step 4: Simplify right side
    40,474.10x = 661,396,184.76
  5. Step 5: Solve for x
    x = 661,396,184.76/40,474.10
  6. Step 6: Final answer
    x = 16,341.22

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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.