Home / 14,281.20-21,402.27-9,077.76

Finding the Fourth Proportional to 14,281.20, 21,402.27 and 9,077.76

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Solution

The fourth proportional to 14,281.20, 21,402.27 and 9,077.76 is: 13,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.20 : 21,402.27 = 9,077.76 : x
  2. Step 2: Convert to fraction form
    14,281.20/21,402.27 = 9,077.76/x
  3. Step 3: Cross multiply
    14,281.20x = 21,402.27 × 9,077.76
  4. Step 4: Simplify right side
    14,281.20x = 194,284,670.52
  5. Step 5: Solve for x
    x = 194,284,670.52/14,281.20
  6. Step 6: Final answer
    x = 13,604.23

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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.