Home / 13,624.20-20,426.70-6,232.20

Finding the Fourth Proportional to 13,624.20, 20,426.70 and 6,232.20

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Solution

The fourth proportional to 13,624.20, 20,426.70 and 6,232.20 is: 9,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.20 : 20,426.70 = 6,232.20 : x
  2. Step 2: Convert to fraction form
    13,624.20/20,426.70 = 6,232.20/x
  3. Step 3: Cross multiply
    13,624.20x = 20,426.70 × 6,232.20
  4. Step 4: Simplify right side
    13,624.20x = 127,303,279.74
  5. Step 5: Solve for x
    x = 127,303,279.74/13,624.20
  6. Step 6: Final answer
    x = 9,343.91

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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.