Home / 15,320.61-22,997.03-13,576.79

Finding the Fourth Proportional to 15,320.61, 22,997.03 and 13,576.79

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Solution

The fourth proportional to 15,320.61, 22,997.03 and 13,576.79 is: 20,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.61 : 22,997.03 = 13,576.79 : x
  2. Step 2: Convert to fraction form
    15,320.61/22,997.03 = 13,576.79/x
  3. Step 3: Cross multiply
    15,320.61x = 22,997.03 × 13,576.79
  4. Step 4: Simplify right side
    15,320.61x = 312,225,836.54
  5. Step 5: Solve for x
    x = 312,225,836.54/15,320.61
  6. Step 6: Final answer
    x = 20,379.47

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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.