Home / 15,378.49-23,060.44-7,975.54

Finding the Fourth Proportional to 15,378.49, 23,060.44 and 7,975.54

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Solution

The fourth proportional to 15,378.49, 23,060.44 and 7,975.54 is: 11,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.49 : 23,060.44 = 7,975.54 : x
  2. Step 2: Convert to fraction form
    15,378.49/23,060.44 = 7,975.54/x
  3. Step 3: Cross multiply
    15,378.49x = 23,060.44 × 7,975.54
  4. Step 4: Simplify right side
    15,378.49x = 183,919,461.64
  5. Step 5: Solve for x
    x = 183,919,461.64/15,378.49
  6. Step 6: Final answer
    x = 11,959.53

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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.