Home / 15,623.20-23,436.86-5,769.40

Finding the Fourth Proportional to 15,623.20, 23,436.86 and 5,769.40

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Solution

The fourth proportional to 15,623.20, 23,436.86 and 5,769.40 is: 8,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.20 : 23,436.86 = 5,769.40 : x
  2. Step 2: Convert to fraction form
    15,623.20/23,436.86 = 5,769.40/x
  3. Step 3: Cross multiply
    15,623.20x = 23,436.86 × 5,769.40
  4. Step 4: Simplify right side
    15,623.20x = 135,216,620.08
  5. Step 5: Solve for x
    x = 135,216,620.08/15,623.20
  6. Step 6: Final answer
    x = 8,654.86

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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.