Home / 15,378.74-23,060.82-7,975.79

Finding the Fourth Proportional to 15,378.74, 23,060.82 and 7,975.79

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Solution

The fourth proportional to 15,378.74, 23,060.82 and 7,975.79 is: 11,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.74 : 23,060.82 = 7,975.79 : x
  2. Step 2: Convert to fraction form
    15,378.74/23,060.82 = 7,975.79/x
  3. Step 3: Cross multiply
    15,378.74x = 23,060.82 × 7,975.79
  4. Step 4: Simplify right side
    15,378.74x = 183,928,257.55
  5. Step 5: Solve for x
    x = 183,928,257.55/15,378.74
  6. Step 6: Final answer
    x = 11,959.90

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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.