Home / 14,248.85-21,341.16-6,858.86

Finding the Fourth Proportional to 14,248.85, 21,341.16 and 6,858.86

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Solution

The fourth proportional to 14,248.85, 21,341.16 and 6,858.86 is: 10,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.85 : 21,341.16 = 6,858.86 : x
  2. Step 2: Convert to fraction form
    14,248.85/21,341.16 = 6,858.86/x
  3. Step 3: Cross multiply
    14,248.85x = 21,341.16 × 6,858.86
  4. Step 4: Simplify right side
    14,248.85x = 146,375,921.97
  5. Step 5: Solve for x
    x = 146,375,921.97/14,248.85
  6. Step 6: Final answer
    x = 10,272.83

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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.