Home / 15,510.75-23,254.78-4,974.77

Finding the Fourth Proportional to 15,510.75, 23,254.78 and 4,974.77

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Solution

The fourth proportional to 15,510.75, 23,254.78 and 4,974.77 is: 7,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.75 : 23,254.78 = 4,974.77 : x
  2. Step 2: Convert to fraction form
    15,510.75/23,254.78 = 4,974.77/x
  3. Step 3: Cross multiply
    15,510.75x = 23,254.78 × 4,974.77
  4. Step 4: Simplify right side
    15,510.75x = 115,687,181.90
  5. Step 5: Solve for x
    x = 115,687,181.90/15,510.75
  6. Step 6: Final answer
    x = 7,458.52

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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.