Home / 12,937.24-19,412.46-5,539.72

Finding the Fourth Proportional to 12,937.24, 19,412.46 and 5,539.72

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Solution

The fourth proportional to 12,937.24, 19,412.46 and 5,539.72 is: 8,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.24 : 19,412.46 = 5,539.72 : x
  2. Step 2: Convert to fraction form
    12,937.24/19,412.46 = 5,539.72/x
  3. Step 3: Cross multiply
    12,937.24x = 19,412.46 × 5,539.72
  4. Step 4: Simplify right side
    12,937.24x = 107,539,592.91
  5. Step 5: Solve for x
    x = 107,539,592.91/12,937.24
  6. Step 6: Final answer
    x = 8,312.41

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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.