Home / 14,392.72-19,864.92-8,427.52

Finding the Fourth Proportional to 14,392.72, 19,864.92 and 8,427.52

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Solution

The fourth proportional to 14,392.72, 19,864.92 and 8,427.52 is: 11,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.72 : 19,864.92 = 8,427.52 : x
  2. Step 2: Convert to fraction form
    14,392.72/19,864.92 = 8,427.52/x
  3. Step 3: Cross multiply
    14,392.72x = 19,864.92 × 8,427.52
  4. Step 4: Simplify right side
    14,392.72x = 167,412,010.60
  5. Step 5: Solve for x
    x = 167,412,010.60/14,392.72
  6. Step 6: Final answer
    x = 11,631.71

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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.