Home / 15,585.21-23,363.90-5,722.20

Finding the Fourth Proportional to 15,585.21, 23,363.90 and 5,722.20

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Solution

The fourth proportional to 15,585.21, 23,363.90 and 5,722.20 is: 8,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.21 : 23,363.90 = 5,722.20 : x
  2. Step 2: Convert to fraction form
    15,585.21/23,363.90 = 5,722.20/x
  3. Step 3: Cross multiply
    15,585.21x = 23,363.90 × 5,722.20
  4. Step 4: Simplify right side
    15,585.21x = 133,692,879.97
  5. Step 5: Solve for x
    x = 133,692,879.97/15,585.21
  6. Step 6: Final answer
    x = 8,578.19

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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.