Home / 15,917.76-23,877.09-4,230.99

Finding the Fourth Proportional to 15,917.76, 23,877.09 and 4,230.99

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Solution

The fourth proportional to 15,917.76, 23,877.09 and 4,230.99 is: 6,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.76 : 23,877.09 = 4,230.99 : x
  2. Step 2: Convert to fraction form
    15,917.76/23,877.09 = 4,230.99/x
  3. Step 3: Cross multiply
    15,917.76x = 23,877.09 × 4,230.99
  4. Step 4: Simplify right side
    15,917.76x = 101,023,729.02
  5. Step 5: Solve for x
    x = 101,023,729.02/15,917.76
  6. Step 6: Final answer
    x = 6,346.60

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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.