Home / 14,201.20-21,282.36-9,010.72

Finding the Fourth Proportional to 14,201.20, 21,282.36 and 9,010.72

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Solution

The fourth proportional to 14,201.20, 21,282.36 and 9,010.72 is: 13,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.20 : 21,282.36 = 9,010.72 : x
  2. Step 2: Convert to fraction form
    14,201.20/21,282.36 = 9,010.72/x
  3. Step 3: Cross multiply
    14,201.20x = 21,282.36 × 9,010.72
  4. Step 4: Simplify right side
    14,201.20x = 191,769,386.90
  5. Step 5: Solve for x
    x = 191,769,386.90/14,201.20
  6. Step 6: Final answer
    x = 13,503.75

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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.