Home / 14,291.74-19,732.23-8,922.36

Finding the Fourth Proportional to 14,291.74, 19,732.23 and 8,922.36

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Solution

The fourth proportional to 14,291.74, 19,732.23 and 8,922.36 is: 12,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.74 : 19,732.23 = 8,922.36 : x
  2. Step 2: Convert to fraction form
    14,291.74/19,732.23 = 8,922.36/x
  3. Step 3: Cross multiply
    14,291.74x = 19,732.23 × 8,922.36
  4. Step 4: Simplify right side
    14,291.74x = 176,058,059.66
  5. Step 5: Solve for x
    x = 176,058,059.66/14,291.74
  6. Step 6: Final answer
    x = 12,318.87

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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.