Home / 14,307.30-21,468.78-5,542.56

Finding the Fourth Proportional to 14,307.30, 21,468.78 and 5,542.56

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Solution

The fourth proportional to 14,307.30, 21,468.78 and 5,542.56 is: 8,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.30 : 21,468.78 = 5,542.56 : x
  2. Step 2: Convert to fraction form
    14,307.30/21,468.78 = 5,542.56/x
  3. Step 3: Cross multiply
    14,307.30x = 21,468.78 × 5,542.56
  4. Step 4: Simplify right side
    14,307.30x = 118,992,001.28
  5. Step 5: Solve for x
    x = 118,992,001.28/14,307.30
  6. Step 6: Final answer
    x = 8,316.87

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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.