Home / 23,117.42-31,891.87-13,552.45

Finding the Fourth Proportional to 23,117.42, 31,891.87 and 13,552.45

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Solution

The fourth proportional to 23,117.42, 31,891.87 and 13,552.45 is: 18,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.42 : 31,891.87 = 13,552.45 : x
  2. Step 2: Convert to fraction form
    23,117.42/31,891.87 = 13,552.45/x
  3. Step 3: Cross multiply
    23,117.42x = 31,891.87 × 13,552.45
  4. Step 4: Simplify right side
    23,117.42x = 432,212,910.79
  5. Step 5: Solve for x
    x = 432,212,910.79/23,117.42
  6. Step 6: Final answer
    x = 18,696.41

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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.