Home / 15,563.28-23,310.60-12,864.22

Finding the Fourth Proportional to 15,563.28, 23,310.60 and 12,864.22

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Solution

The fourth proportional to 15,563.28, 23,310.60 and 12,864.22 is: 19,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.28 : 23,310.60 = 12,864.22 : x
  2. Step 2: Convert to fraction form
    15,563.28/23,310.60 = 12,864.22/x
  3. Step 3: Cross multiply
    15,563.28x = 23,310.60 × 12,864.22
  4. Step 4: Simplify right side
    15,563.28x = 299,872,686.73
  5. Step 5: Solve for x
    x = 299,872,686.73/15,563.28
  6. Step 6: Final answer
    x = 19,267.96

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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.