Home / 17,686.82-24,407.87-9,729.55

Finding the Fourth Proportional to 17,686.82, 24,407.87 and 9,729.55

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Solution

The fourth proportional to 17,686.82, 24,407.87 and 9,729.55 is: 13,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.82 : 24,407.87 = 9,729.55 : x
  2. Step 2: Convert to fraction form
    17,686.82/24,407.87 = 9,729.55/x
  3. Step 3: Cross multiply
    17,686.82x = 24,407.87 × 9,729.55
  4. Step 4: Simplify right side
    17,686.82x = 237,477,420.87
  5. Step 5: Solve for x
    x = 237,477,420.87/17,686.82
  6. Step 6: Final answer
    x = 13,426.81

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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.