Home / 13,635.93-20,445.52-5,306.25

Finding the Fourth Proportional to 13,635.93, 20,445.52 and 5,306.25

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Solution

The fourth proportional to 13,635.93, 20,445.52 and 5,306.25 is: 7,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.93 : 20,445.52 = 5,306.25 : x
  2. Step 2: Convert to fraction form
    13,635.93/20,445.52 = 5,306.25/x
  3. Step 3: Cross multiply
    13,635.93x = 20,445.52 × 5,306.25
  4. Step 4: Simplify right side
    13,635.93x = 108,489,040.50
  5. Step 5: Solve for x
    x = 108,489,040.50/13,635.93
  6. Step 6: Final answer
    x = 7,956.12

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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.