Home / 23,418.27-32,315.85-13,345.32

Finding the Fourth Proportional to 23,418.27, 32,315.85 and 13,345.32

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Solution

The fourth proportional to 23,418.27, 32,315.85 and 13,345.32 is: 18,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,418.27 : 32,315.85 = 13,345.32 : x
  2. Step 2: Convert to fraction form
    23,418.27/32,315.85 = 13,345.32/x
  3. Step 3: Cross multiply
    23,418.27x = 32,315.85 × 13,345.32
  4. Step 4: Simplify right side
    23,418.27x = 431,265,359.32
  5. Step 5: Solve for x
    x = 431,265,359.32/23,418.27
  6. Step 6: Final answer
    x = 18,415.77

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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.