Home / 13,343.70-20,015.22-4,337.80

Finding the Fourth Proportional to 13,343.70, 20,015.22 and 4,337.80

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Solution

The fourth proportional to 13,343.70, 20,015.22 and 4,337.80 is: 6,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.70 : 20,015.22 = 4,337.80 : x
  2. Step 2: Convert to fraction form
    13,343.70/20,015.22 = 4,337.80/x
  3. Step 3: Cross multiply
    13,343.70x = 20,015.22 × 4,337.80
  4. Step 4: Simplify right side
    13,343.70x = 86,822,018.74
  5. Step 5: Solve for x
    x = 86,822,018.74/13,343.70
  6. Step 6: Final answer
    x = 6,506.59

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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.