Home / 15,835.20-23,740.80-8,049.60

Finding the Fourth Proportional to 15,835.20, 23,740.80 and 8,049.60

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Solution

The fourth proportional to 15,835.20, 23,740.80 and 8,049.60 is: 12,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835.20 : 23,740.80 = 8,049.60 : x
  2. Step 2: Convert to fraction form
    15,835.20/23,740.80 = 8,049.60/x
  3. Step 3: Cross multiply
    15,835.20x = 23,740.80 × 8,049.60
  4. Step 4: Simplify right side
    15,835.20x = 191,103,943.68
  5. Step 5: Solve for x
    x = 191,103,943.68/15,835.20
  6. Step 6: Final answer
    x = 12,068.30

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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.