Home / 22,689.16-31,310.44-12,617.08

Finding the Fourth Proportional to 22,689.16, 31,310.44 and 12,617.08

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Solution

The fourth proportional to 22,689.16, 31,310.44 and 12,617.08 is: 17,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.16 : 31,310.44 = 12,617.08 : x
  2. Step 2: Convert to fraction form
    22,689.16/31,310.44 = 12,617.08/x
  3. Step 3: Cross multiply
    22,689.16x = 31,310.44 × 12,617.08
  4. Step 4: Simplify right side
    22,689.16x = 395,046,326.32
  5. Step 5: Solve for x
    x = 395,046,326.32/22,689.16
  6. Step 6: Final answer
    x = 17,411.24

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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.