Home / 15,157.55-22,721.45-7,257.83

Finding the Fourth Proportional to 15,157.55, 22,721.45 and 7,257.83

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Solution

The fourth proportional to 15,157.55, 22,721.45 and 7,257.83 is: 10,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157.55 : 22,721.45 = 7,257.83 : x
  2. Step 2: Convert to fraction form
    15,157.55/22,721.45 = 7,257.83/x
  3. Step 3: Cross multiply
    15,157.55x = 22,721.45 × 7,257.83
  4. Step 4: Simplify right side
    15,157.55x = 164,908,271.56
  5. Step 5: Solve for x
    x = 164,908,271.56/15,157.55
  6. Step 6: Final answer
    x = 10,879.61

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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.