Home / 23,381.43-32,266.41-13,309.87

Finding the Fourth Proportional to 23,381.43, 32,266.41 and 13,309.87

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Solution

The fourth proportional to 23,381.43, 32,266.41 and 13,309.87 is: 18,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,381.43 : 32,266.41 = 13,309.87 : x
  2. Step 2: Convert to fraction form
    23,381.43/32,266.41 = 13,309.87/x
  3. Step 3: Cross multiply
    23,381.43x = 32,266.41 × 13,309.87
  4. Step 4: Simplify right side
    23,381.43x = 429,461,655.92
  5. Step 5: Solve for x
    x = 429,461,655.92/23,381.43
  6. Step 6: Final answer
    x = 18,367.64

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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.