Home / 10,025.02-15,040.72-3,451.56

Finding the Fourth Proportional to 10,025.02, 15,040.72 and 3,451.56

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Solution

The fourth proportional to 10,025.02, 15,040.72 and 3,451.56 is: 5,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.02 : 15,040.72 = 3,451.56 : x
  2. Step 2: Convert to fraction form
    10,025.02/15,040.72 = 3,451.56/x
  3. Step 3: Cross multiply
    10,025.02x = 15,040.72 × 3,451.56
  4. Step 4: Simplify right side
    10,025.02x = 51,913,947.52
  5. Step 5: Solve for x
    x = 51,913,947.52/10,025.02
  6. Step 6: Final answer
    x = 5,178.44

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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.