Home / 14,702.72-20,287.46-8,734.23

Finding the Fourth Proportional to 14,702.72, 20,287.46 and 8,734.23

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Solution

The fourth proportional to 14,702.72, 20,287.46 and 8,734.23 is: 12,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.72 : 20,287.46 = 8,734.23 : x
  2. Step 2: Convert to fraction form
    14,702.72/20,287.46 = 8,734.23/x
  3. Step 3: Cross multiply
    14,702.72x = 20,287.46 × 8,734.23
  4. Step 4: Simplify right side
    14,702.72x = 177,195,363.59
  5. Step 5: Solve for x
    x = 177,195,363.59/14,702.72
  6. Step 6: Final answer
    x = 12,051.88

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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.