Home / 14,053.75-21,042.61-8,776.12

Finding the Fourth Proportional to 14,053.75, 21,042.61 and 8,776.12

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Solution

The fourth proportional to 14,053.75, 21,042.61 and 8,776.12 is: 13,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.75 : 21,042.61 = 8,776.12 : x
  2. Step 2: Convert to fraction form
    14,053.75/21,042.61 = 8,776.12/x
  3. Step 3: Cross multiply
    14,053.75x = 21,042.61 × 8,776.12
  4. Step 4: Simplify right side
    14,053.75x = 184,672,470.47
  5. Step 5: Solve for x
    x = 184,672,470.47/14,053.75
  6. Step 6: Final answer
    x = 13,140.44

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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.