Home / 15,956.18-22,018.93-8,882.45

Finding the Fourth Proportional to 15,956.18, 22,018.93 and 8,882.45

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Solution

The fourth proportional to 15,956.18, 22,018.93 and 8,882.45 is: 12,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.18 : 22,018.93 = 8,882.45 : x
  2. Step 2: Convert to fraction form
    15,956.18/22,018.93 = 8,882.45/x
  3. Step 3: Cross multiply
    15,956.18x = 22,018.93 × 8,882.45
  4. Step 4: Simplify right side
    15,956.18x = 195,581,912.48
  5. Step 5: Solve for x
    x = 195,581,912.48/15,956.18
  6. Step 6: Final answer
    x = 12,257.44

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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.