Home / 14,781.98-22,147.44-10,378.82

Finding the Fourth Proportional to 14,781.98, 22,147.44 and 10,378.82

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Solution

The fourth proportional to 14,781.98, 22,147.44 and 10,378.82 is: 15,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.98 : 22,147.44 = 10,378.82 : x
  2. Step 2: Convert to fraction form
    14,781.98/22,147.44 = 10,378.82/x
  3. Step 3: Cross multiply
    14,781.98x = 22,147.44 × 10,378.82
  4. Step 4: Simplify right side
    14,781.98x = 229,864,182.48
  5. Step 5: Solve for x
    x = 229,864,182.48/14,781.98
  6. Step 6: Final answer
    x = 15,550.30

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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.