Home / 14,452.90-21,678.86-6,127.56

Finding the Fourth Proportional to 14,452.90, 21,678.86 and 6,127.56

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Solution

The fourth proportional to 14,452.90, 21,678.86 and 6,127.56 is: 9,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.90 : 21,678.86 = 6,127.56 : x
  2. Step 2: Convert to fraction form
    14,452.90/21,678.86 = 6,127.56/x
  3. Step 3: Cross multiply
    14,452.90x = 21,678.86 × 6,127.56
  4. Step 4: Simplify right side
    14,452.90x = 132,838,453.53
  5. Step 5: Solve for x
    x = 132,838,453.53/14,452.90
  6. Step 6: Final answer
    x = 9,191.13

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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.