Home / 14,248.09-21,378.29-7,672.97

Finding the Fourth Proportional to 14,248.09, 21,378.29 and 7,672.97

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Solution

The fourth proportional to 14,248.09, 21,378.29 and 7,672.97 is: 11,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.09 : 21,378.29 = 7,672.97 : x
  2. Step 2: Convert to fraction form
    14,248.09/21,378.29 = 7,672.97/x
  3. Step 3: Cross multiply
    14,248.09x = 21,378.29 × 7,672.97
  4. Step 4: Simplify right side
    14,248.09x = 164,034,832.57
  5. Step 5: Solve for x
    x = 164,034,832.57/14,248.09
  6. Step 6: Final answer
    x = 11,512.76

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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.