Home / 15,552.54-23,209.38-13,891.62

Finding the Fourth Proportional to 15,552.54, 23,209.38 and 13,891.62

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Solution

The fourth proportional to 15,552.54, 23,209.38 and 13,891.62 is: 20,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.54 : 23,209.38 = 13,891.62 : x
  2. Step 2: Convert to fraction form
    15,552.54/23,209.38 = 13,891.62/x
  3. Step 3: Cross multiply
    15,552.54x = 23,209.38 × 13,891.62
  4. Step 4: Simplify right side
    15,552.54x = 322,415,887.40
  5. Step 5: Solve for x
    x = 322,415,887.40/15,552.54
  6. Step 6: Final answer
    x = 20,730.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.