Home / 14,251.32-21,381.59-6,854.81

Finding the Fourth Proportional to 14,251.32, 21,381.59 and 6,854.81

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Solution

The fourth proportional to 14,251.32, 21,381.59 and 6,854.81 is: 10,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.32 : 21,381.59 = 6,854.81 : x
  2. Step 2: Convert to fraction form
    14,251.32/21,381.59 = 6,854.81/x
  3. Step 3: Cross multiply
    14,251.32x = 21,381.59 × 6,854.81
  4. Step 4: Simplify right side
    14,251.32x = 146,566,702.67
  5. Step 5: Solve for x
    x = 146,566,702.67/14,251.32
  6. Step 6: Final answer
    x = 10,284.43

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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.