Home / 15,900.02-23,850.06-5,511.78

Finding the Fourth Proportional to 15,900.02, 23,850.06 and 5,511.78

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Solution

The fourth proportional to 15,900.02, 23,850.06 and 5,511.78 is: 8,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.02 : 23,850.06 = 5,511.78 : x
  2. Step 2: Convert to fraction form
    15,900.02/23,850.06 = 5,511.78/x
  3. Step 3: Cross multiply
    15,900.02x = 23,850.06 × 5,511.78
  4. Step 4: Simplify right side
    15,900.02x = 131,456,283.71
  5. Step 5: Solve for x
    x = 131,456,283.71/15,900.02
  6. Step 6: Final answer
    x = 8,267.68

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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.