Home / 14,251.41-21,381.80-6,854.90

Finding the Fourth Proportional to 14,251.41, 21,381.80 and 6,854.90

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Solution

The fourth proportional to 14,251.41, 21,381.80 and 6,854.90 is: 10,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.41 : 21,381.80 = 6,854.90 : x
  2. Step 2: Convert to fraction form
    14,251.41/21,381.80 = 6,854.90/x
  3. Step 3: Cross multiply
    14,251.41x = 21,381.80 × 6,854.90
  4. Step 4: Simplify right side
    14,251.41x = 146,569,959.64
  5. Step 5: Solve for x
    x = 146,569,959.64/14,251.41
  6. Step 6: Final answer
    x = 10,284.59

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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.