Home / 15,155.06-22,690.67-7,743.56

Finding the Fourth Proportional to 15,155.06, 22,690.67 and 7,743.56

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Solution

The fourth proportional to 15,155.06, 22,690.67 and 7,743.56 is: 11,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.06 : 22,690.67 = 7,743.56 : x
  2. Step 2: Convert to fraction form
    15,155.06/22,690.67 = 7,743.56/x
  3. Step 3: Cross multiply
    15,155.06x = 22,690.67 × 7,743.56
  4. Step 4: Simplify right side
    15,155.06x = 175,706,412.41
  5. Step 5: Solve for x
    x = 175,706,412.41/15,155.06
  6. Step 6: Final answer
    x = 11,593.91

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1.5x scale

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.