Home / 12,684.32-17,521.10-9,736.58

Finding the Fourth Proportional to 12,684.32, 17,521.10 and 9,736.58

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Solution

The fourth proportional to 12,684.32, 17,521.10 and 9,736.58 is: 13,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.32 : 17,521.10 = 9,736.58 : x
  2. Step 2: Convert to fraction form
    12,684.32/17,521.10 = 9,736.58/x
  3. Step 3: Cross multiply
    12,684.32x = 17,521.10 × 9,736.58
  4. Step 4: Simplify right side
    12,684.32x = 170,595,543.16
  5. Step 5: Solve for x
    x = 170,595,543.16/12,684.32
  6. Step 6: Final answer
    x = 13,449.33

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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.