Home / 14,946.80-20,625.75-8,231.15

Finding the Fourth Proportional to 14,946.80, 20,625.75 and 8,231.15

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Solution

The fourth proportional to 14,946.80, 20,625.75 and 8,231.15 is: 11,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.80 : 20,625.75 = 8,231.15 : x
  2. Step 2: Convert to fraction form
    14,946.80/20,625.75 = 8,231.15/x
  3. Step 3: Cross multiply
    14,946.80x = 20,625.75 × 8,231.15
  4. Step 4: Simplify right side
    14,946.80x = 169,773,693.68
  5. Step 5: Solve for x
    x = 169,773,693.68/14,946.80
  6. Step 6: Final answer
    x = 11,358.53

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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.