Home / 14,364.40-21,537.78-5,589.10

Finding the Fourth Proportional to 14,364.40, 21,537.78 and 5,589.10

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Solution

The fourth proportional to 14,364.40, 21,537.78 and 5,589.10 is: 8,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.40 : 21,537.78 = 5,589.10 : x
  2. Step 2: Convert to fraction form
    14,364.40/21,537.78 = 5,589.10/x
  3. Step 3: Cross multiply
    14,364.40x = 21,537.78 × 5,589.10
  4. Step 4: Simplify right side
    14,364.40x = 120,376,806.20
  5. Step 5: Solve for x
    x = 120,376,806.20/14,364.40
  6. Step 6: Final answer
    x = 8,380.22

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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.