Home / 13,957.50-20,935.53-4,095.66

Finding the Fourth Proportional to 13,957.50, 20,935.53 and 4,095.66

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Solution

The fourth proportional to 13,957.50, 20,935.53 and 4,095.66 is: 6,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.50 : 20,935.53 = 4,095.66 : x
  2. Step 2: Convert to fraction form
    13,957.50/20,935.53 = 4,095.66/x
  3. Step 3: Cross multiply
    13,957.50x = 20,935.53 × 4,095.66
  4. Step 4: Simplify right side
    13,957.50x = 85,744,812.80
  5. Step 5: Solve for x
    x = 85,744,812.80/13,957.50
  6. Step 6: Final answer
    x = 6,143.28

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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.