Home / 14,772.15-20,385.75-8,807.26

Finding the Fourth Proportional to 14,772.15, 20,385.75 and 8,807.26

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Solution

The fourth proportional to 14,772.15, 20,385.75 and 8,807.26 is: 12,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.15 : 20,385.75 = 8,807.26 : x
  2. Step 2: Convert to fraction form
    14,772.15/20,385.75 = 8,807.26/x
  3. Step 3: Cross multiply
    14,772.15x = 20,385.75 × 8,807.26
  4. Step 4: Simplify right side
    14,772.15x = 179,542,600.55
  5. Step 5: Solve for x
    x = 179,542,600.55/14,772.15
  6. Step 6: Final answer
    x = 12,154.13

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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.