Home / 15,539.16-23,212.69-13,976.68

Finding the Fourth Proportional to 15,539.16, 23,212.69 and 13,976.68

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Solution

The fourth proportional to 15,539.16, 23,212.69 and 13,976.68 is: 20,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.16 : 23,212.69 = 13,976.68 : x
  2. Step 2: Convert to fraction form
    15,539.16/23,212.69 = 13,976.68/x
  3. Step 3: Cross multiply
    15,539.16x = 23,212.69 × 13,976.68
  4. Step 4: Simplify right side
    15,539.16x = 324,436,340.07
  5. Step 5: Solve for x
    x = 324,436,340.07/15,539.16
  6. Step 6: Final answer
    x = 20,878.63

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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.