Home / 23,165.86-31,968.66-12,555.32

Finding the Fourth Proportional to 23,165.86, 31,968.66 and 12,555.32

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Solution

The fourth proportional to 23,165.86, 31,968.66 and 12,555.32 is: 17,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.86 : 31,968.66 = 12,555.32 : x
  2. Step 2: Convert to fraction form
    23,165.86/31,968.66 = 12,555.32/x
  3. Step 3: Cross multiply
    23,165.86x = 31,968.66 × 12,555.32
  4. Step 4: Simplify right side
    23,165.86x = 401,376,756.27
  5. Step 5: Solve for x
    x = 401,376,756.27/23,165.86
  6. Step 6: Final answer
    x = 17,326.22

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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.