Home / 15,517.80-23,278.80-4,984.32

Finding the Fourth Proportional to 15,517.80, 23,278.80 and 4,984.32

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Solution

The fourth proportional to 15,517.80, 23,278.80 and 4,984.32 is: 7,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.80 : 23,278.80 = 4,984.32 : x
  2. Step 2: Convert to fraction form
    15,517.80/23,278.80 = 4,984.32/x
  3. Step 3: Cross multiply
    15,517.80x = 23,278.80 × 4,984.32
  4. Step 4: Simplify right side
    15,517.80x = 116,028,988.42
  5. Step 5: Solve for x
    x = 116,028,988.42/15,517.80
  6. Step 6: Final answer
    x = 7,477.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.