Home / 15,147.19-22,722.95-4,759.75

Finding the Fourth Proportional to 15,147.19, 22,722.95 and 4,759.75

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Solution

The fourth proportional to 15,147.19, 22,722.95 and 4,759.75 is: 7,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.19 : 22,722.95 = 4,759.75 : x
  2. Step 2: Convert to fraction form
    15,147.19/22,722.95 = 4,759.75/x
  3. Step 3: Cross multiply
    15,147.19x = 22,722.95 × 4,759.75
  4. Step 4: Simplify right side
    15,147.19x = 108,155,561.26
  5. Step 5: Solve for x
    x = 108,155,561.26/15,147.19
  6. Step 6: Final answer
    x = 7,140.31

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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.