Home / 12,937.86-19,406.80-5,537.53

Finding the Fourth Proportional to 12,937.86, 19,406.80 and 5,537.53

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Solution

The fourth proportional to 12,937.86, 19,406.80 and 5,537.53 is: 8,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.86 : 19,406.80 = 5,537.53 : x
  2. Step 2: Convert to fraction form
    12,937.86/19,406.80 = 5,537.53/x
  3. Step 3: Cross multiply
    12,937.86x = 19,406.80 × 5,537.53
  4. Step 4: Simplify right side
    12,937.86x = 107,465,737.20
  5. Step 5: Solve for x
    x = 107,465,737.20/12,937.86
  6. Step 6: Final answer
    x = 8,306.30

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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.