Home / 15,581.74-23,379.46-8,184.48

Finding the Fourth Proportional to 15,581.74, 23,379.46 and 8,184.48

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Solution

The fourth proportional to 15,581.74, 23,379.46 and 8,184.48 is: 12,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.74 : 23,379.46 = 8,184.48 : x
  2. Step 2: Convert to fraction form
    15,581.74/23,379.46 = 8,184.48/x
  3. Step 3: Cross multiply
    15,581.74x = 23,379.46 × 8,184.48
  4. Step 4: Simplify right side
    15,581.74x = 191,348,722.78
  5. Step 5: Solve for x
    x = 191,348,722.78/15,581.74
  6. Step 6: Final answer
    x = 12,280.32

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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.