Home / 15,119.07-22,680.96-7,719.53

Finding the Fourth Proportional to 15,119.07, 22,680.96 and 7,719.53

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Solution

The fourth proportional to 15,119.07, 22,680.96 and 7,719.53 is: 11,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.07 : 22,680.96 = 7,719.53 : x
  2. Step 2: Convert to fraction form
    15,119.07/22,680.96 = 7,719.53/x
  3. Step 3: Cross multiply
    15,119.07x = 22,680.96 × 7,719.53
  4. Step 4: Simplify right side
    15,119.07x = 175,086,237.74
  5. Step 5: Solve for x
    x = 175,086,237.74/15,119.07
  6. Step 6: Final answer
    x = 11,580.49

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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.