Home / 17,112.55-23,615.40-9,559.20

Finding the Fourth Proportional to 17,112.55, 23,615.40 and 9,559.20

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Solution

The fourth proportional to 17,112.55, 23,615.40 and 9,559.20 is: 13,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.55 : 23,615.40 = 9,559.20 : x
  2. Step 2: Convert to fraction form
    17,112.55/23,615.40 = 9,559.20/x
  3. Step 3: Cross multiply
    17,112.55x = 23,615.40 × 9,559.20
  4. Step 4: Simplify right side
    17,112.55x = 225,744,189.71
  5. Step 5: Solve for x
    x = 225,744,189.71/17,112.55
  6. Step 6: Final answer
    x = 13,191.73

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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.