Home / 14,266.20-21,423.60-10,135.20

Finding the Fourth Proportional to 14,266.20, 21,423.60 and 10,135.20

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Solution

The fourth proportional to 14,266.20, 21,423.60 and 10,135.20 is: 15,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.20 : 21,423.60 = 10,135.20 : x
  2. Step 2: Convert to fraction form
    14,266.20/21,423.60 = 10,135.20/x
  3. Step 3: Cross multiply
    14,266.20x = 21,423.60 × 10,135.20
  4. Step 4: Simplify right side
    14,266.20x = 217,132,470.72
  5. Step 5: Solve for x
    x = 217,132,470.72/14,266.20
  6. Step 6: Final answer
    x = 15,220.06

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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.