Home / 22,260.31-30,720.06-12,701.75

Finding the Fourth Proportional to 22,260.31, 30,720.06 and 12,701.75

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Solution

The fourth proportional to 22,260.31, 30,720.06 and 12,701.75 is: 17,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.31 : 30,720.06 = 12,701.75 : x
  2. Step 2: Convert to fraction form
    22,260.31/30,720.06 = 12,701.75/x
  3. Step 3: Cross multiply
    22,260.31x = 30,720.06 × 12,701.75
  4. Step 4: Simplify right side
    22,260.31x = 390,198,589.67
  5. Step 5: Solve for x
    x = 390,198,589.67/22,260.31
  6. Step 6: Final answer
    x = 17,528.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.