Home / 14,885.88-22,328.68-6,121.40

Finding the Fourth Proportional to 14,885.88, 22,328.68 and 6,121.40

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Solution

The fourth proportional to 14,885.88, 22,328.68 and 6,121.40 is: 9,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.88 : 22,328.68 = 6,121.40 : x
  2. Step 2: Convert to fraction form
    14,885.88/22,328.68 = 6,121.40/x
  3. Step 3: Cross multiply
    14,885.88x = 22,328.68 × 6,121.40
  4. Step 4: Simplify right side
    14,885.88x = 136,682,781.75
  5. Step 5: Solve for x
    x = 136,682,781.75/14,885.88
  6. Step 6: Final answer
    x = 9,182.04

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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.