Home / 13,020.24-19,531.20-4,255.20

Finding the Fourth Proportional to 13,020.24, 19,531.20 and 4,255.20

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Solution

The fourth proportional to 13,020.24, 19,531.20 and 4,255.20 is: 6,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.24 : 19,531.20 = 4,255.20 : x
  2. Step 2: Convert to fraction form
    13,020.24/19,531.20 = 4,255.20/x
  3. Step 3: Cross multiply
    13,020.24x = 19,531.20 × 4,255.20
  4. Step 4: Simplify right side
    13,020.24x = 83,109,162.24
  5. Step 5: Solve for x
    x = 83,109,162.24/13,020.24
  6. Step 6: Final answer
    x = 6,383.07

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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.