Home / 14,283.89-21,423.72-5,517.71

Finding the Fourth Proportional to 14,283.89, 21,423.72 and 5,517.71

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Solution

The fourth proportional to 14,283.89, 21,423.72 and 5,517.71 is: 8,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.89 : 21,423.72 = 5,517.71 : x
  2. Step 2: Convert to fraction form
    14,283.89/21,423.72 = 5,517.71/x
  3. Step 3: Cross multiply
    14,283.89x = 21,423.72 × 5,517.71
  4. Step 4: Simplify right side
    14,283.89x = 118,209,874.08
  5. Step 5: Solve for x
    x = 118,209,874.08/14,283.89
  6. Step 6: Final answer
    x = 8,275.75

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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.