Home / 12,156.48-16,771.04-7,439.04

Finding the Fourth Proportional to 12,156.48, 16,771.04 and 7,439.04

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Solution

The fourth proportional to 12,156.48, 16,771.04 and 7,439.04 is: 10,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.48 : 16,771.04 = 7,439.04 : x
  2. Step 2: Convert to fraction form
    12,156.48/16,771.04 = 7,439.04/x
  3. Step 3: Cross multiply
    12,156.48x = 16,771.04 × 7,439.04
  4. Step 4: Simplify right side
    12,156.48x = 124,760,437.40
  5. Step 5: Solve for x
    x = 124,760,437.40/12,156.48
  6. Step 6: Final answer
    x = 10,262.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.