Home / 17,686.41-24,407.64-9,729.04

Finding the Fourth Proportional to 17,686.41, 24,407.64 and 9,729.04

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Solution

The fourth proportional to 17,686.41, 24,407.64 and 9,729.04 is: 13,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.41 : 24,407.64 = 9,729.04 : x
  2. Step 2: Convert to fraction form
    17,686.41/24,407.64 = 9,729.04/x
  3. Step 3: Cross multiply
    17,686.41x = 24,407.64 × 9,729.04
  4. Step 4: Simplify right side
    17,686.41x = 237,462,905.87
  5. Step 5: Solve for x
    x = 237,462,905.87/17,686.41
  6. Step 6: Final answer
    x = 13,426.29

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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.