Home / 12,637.85-18,957.27-3,753.16

Finding the Fourth Proportional to 12,637.85, 18,957.27 and 3,753.16

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Solution

The fourth proportional to 12,637.85, 18,957.27 and 3,753.16 is: 5,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.85 : 18,957.27 = 3,753.16 : x
  2. Step 2: Convert to fraction form
    12,637.85/18,957.27 = 3,753.16/x
  3. Step 3: Cross multiply
    12,637.85x = 18,957.27 × 3,753.16
  4. Step 4: Simplify right side
    12,637.85x = 71,149,667.47
  5. Step 5: Solve for x
    x = 71,149,667.47/12,637.85
  6. Step 6: Final answer
    x = 5,629.89

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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.