Home / 14,499.52-20,010.74-8,127.19

Finding the Fourth Proportional to 14,499.52, 20,010.74 and 8,127.19

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Solution

The fourth proportional to 14,499.52, 20,010.74 and 8,127.19 is: 11,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.52 : 20,010.74 = 8,127.19 : x
  2. Step 2: Convert to fraction form
    14,499.52/20,010.74 = 8,127.19/x
  3. Step 3: Cross multiply
    14,499.52x = 20,010.74 × 8,127.19
  4. Step 4: Simplify right side
    14,499.52x = 162,631,065.70
  5. Step 5: Solve for x
    x = 162,631,065.70/14,499.52
  6. Step 6: Final answer
    x = 11,216.31

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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.