Home / 14,240.52-21,366.28-5,918.40

Finding the Fourth Proportional to 14,240.52, 21,366.28 and 5,918.40

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Solution

The fourth proportional to 14,240.52, 21,366.28 and 5,918.40 is: 8,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.52 : 21,366.28 = 5,918.40 : x
  2. Step 2: Convert to fraction form
    14,240.52/21,366.28 = 5,918.40/x
  3. Step 3: Cross multiply
    14,240.52x = 21,366.28 × 5,918.40
  4. Step 4: Simplify right side
    14,240.52x = 126,454,191.55
  5. Step 5: Solve for x
    x = 126,454,191.55/14,240.52
  6. Step 6: Final answer
    x = 8,879.89

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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.