Home / 15,582.72-23,382.92-5,720.72

Finding the Fourth Proportional to 15,582.72, 23,382.92 and 5,720.72

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Solution

The fourth proportional to 15,582.72, 23,382.92 and 5,720.72 is: 8,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.72 : 23,382.92 = 5,720.72 : x
  2. Step 2: Convert to fraction form
    15,582.72/23,382.92 = 5,720.72/x
  3. Step 3: Cross multiply
    15,582.72x = 23,382.92 × 5,720.72
  4. Step 4: Simplify right side
    15,582.72x = 133,767,138.10
  5. Step 5: Solve for x
    x = 133,767,138.10/15,582.72
  6. Step 6: Final answer
    x = 8,584.33

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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.