Home / 15,948.95-23,977.49-12,850.70

Finding the Fourth Proportional to 15,948.95, 23,977.49 and 12,850.70

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Solution

The fourth proportional to 15,948.95, 23,977.49 and 12,850.70 is: 19,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.95 : 23,977.49 = 12,850.70 : x
  2. Step 2: Convert to fraction form
    15,948.95/23,977.49 = 12,850.70/x
  3. Step 3: Cross multiply
    15,948.95x = 23,977.49 × 12,850.70
  4. Step 4: Simplify right side
    15,948.95x = 308,127,346.60
  5. Step 5: Solve for x
    x = 308,127,346.60/15,948.95
  6. Step 6: Final answer
    x = 19,319.61

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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.