Home / 15,750.47-23,614.11-7,425.78

Finding the Fourth Proportional to 15,750.47, 23,614.11 and 7,425.78

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Solution

The fourth proportional to 15,750.47, 23,614.11 and 7,425.78 is: 11,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.47 : 23,614.11 = 7,425.78 : x
  2. Step 2: Convert to fraction form
    15,750.47/23,614.11 = 7,425.78/x
  3. Step 3: Cross multiply
    15,750.47x = 23,614.11 × 7,425.78
  4. Step 4: Simplify right side
    15,750.47x = 175,353,185.76
  5. Step 5: Solve for x
    x = 175,353,185.76/15,750.47
  6. Step 6: Final answer
    x = 11,133.21

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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.