Home / 14,613.90-21,941.10-9,381.30

Finding the Fourth Proportional to 14,613.90, 21,941.10 and 9,381.30

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Solution

The fourth proportional to 14,613.90, 21,941.10 and 9,381.30 is: 14,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.90 : 21,941.10 = 9,381.30 : x
  2. Step 2: Convert to fraction form
    14,613.90/21,941.10 = 9,381.30/x
  3. Step 3: Cross multiply
    14,613.90x = 21,941.10 × 9,381.30
  4. Step 4: Simplify right side
    14,613.90x = 205,836,041.43
  5. Step 5: Solve for x
    x = 205,836,041.43/14,613.90
  6. Step 6: Final answer
    x = 14,084.95

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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.