Home / 15,953.28-22,014.36-8,878.20

Finding the Fourth Proportional to 15,953.28, 22,014.36 and 8,878.20

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Solution

The fourth proportional to 15,953.28, 22,014.36 and 8,878.20 is: 12,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.28 : 22,014.36 = 8,878.20 : x
  2. Step 2: Convert to fraction form
    15,953.28/22,014.36 = 8,878.20/x
  3. Step 3: Cross multiply
    15,953.28x = 22,014.36 × 8,878.20
  4. Step 4: Simplify right side
    15,953.28x = 195,447,890.95
  5. Step 5: Solve for x
    x = 195,447,890.95/15,953.28
  6. Step 6: Final answer
    x = 12,251.27

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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.