Home / 15,612.81-23,408.22-5,750.80

Finding the Fourth Proportional to 15,612.81, 23,408.22 and 5,750.80

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Solution

The fourth proportional to 15,612.81, 23,408.22 and 5,750.80 is: 8,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.81 : 23,408.22 = 5,750.80 : x
  2. Step 2: Convert to fraction form
    15,612.81/23,408.22 = 5,750.80/x
  3. Step 3: Cross multiply
    15,612.81x = 23,408.22 × 5,750.80
  4. Step 4: Simplify right side
    15,612.81x = 134,615,991.58
  5. Step 5: Solve for x
    x = 134,615,991.58/15,612.81
  6. Step 6: Final answer
    x = 8,622.15

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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.