Home / 19,261.10-28,872.45-8,854.70

Finding the Fourth Proportional to 19,261.10, 28,872.45 and 8,854.70

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Solution

The fourth proportional to 19,261.10, 28,872.45 and 8,854.70 is: 13,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.10 : 28,872.45 = 8,854.70 : x
  2. Step 2: Convert to fraction form
    19,261.10/28,872.45 = 8,854.70/x
  3. Step 3: Cross multiply
    19,261.10x = 28,872.45 × 8,854.70
  4. Step 4: Simplify right side
    19,261.10x = 255,656,883.02
  5. Step 5: Solve for x
    x = 255,656,883.02/19,261.10
  6. Step 6: Final answer
    x = 13,273.22

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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.