Home / 14,278.52-21,442.28-8,764.24

Finding the Fourth Proportional to 14,278.52, 21,442.28 and 8,764.24

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Solution

The fourth proportional to 14,278.52, 21,442.28 and 8,764.24 is: 13,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.52 : 21,442.28 = 8,764.24 : x
  2. Step 2: Convert to fraction form
    14,278.52/21,442.28 = 8,764.24/x
  3. Step 3: Cross multiply
    14,278.52x = 21,442.28 × 8,764.24
  4. Step 4: Simplify right side
    14,278.52x = 187,925,288.07
  5. Step 5: Solve for x
    x = 187,925,288.07/14,278.52
  6. Step 6: Final answer
    x = 13,161.40

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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.