Home / 23,431.11-32,335.77-13,357.91

Finding the Fourth Proportional to 23,431.11, 32,335.77 and 13,357.91

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Solution

The fourth proportional to 23,431.11, 32,335.77 and 13,357.91 is: 18,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.11 : 32,335.77 = 13,357.91 : x
  2. Step 2: Convert to fraction form
    23,431.11/32,335.77 = 13,357.91/x
  3. Step 3: Cross multiply
    23,431.11x = 32,335.77 × 13,357.91
  4. Step 4: Simplify right side
    23,431.11x = 431,938,436.37
  5. Step 5: Solve for x
    x = 431,938,436.37/23,431.11
  6. Step 6: Final answer
    x = 18,434.40

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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.