Home / 14,446.45-21,655.28-6,641.65

Finding the Fourth Proportional to 14,446.45, 21,655.28 and 6,641.65

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Solution

The fourth proportional to 14,446.45, 21,655.28 and 6,641.65 is: 9,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.45 : 21,655.28 = 6,641.65 : x
  2. Step 2: Convert to fraction form
    14,446.45/21,655.28 = 6,641.65/x
  3. Step 3: Cross multiply
    14,446.45x = 21,655.28 × 6,641.65
  4. Step 4: Simplify right side
    14,446.45x = 143,826,757.20
  5. Step 5: Solve for x
    x = 143,826,757.20/14,446.45
  6. Step 6: Final answer
    x = 9,955.85

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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.