Home / 13,424.13-20,133.16-5,101.18

Finding the Fourth Proportional to 13,424.13, 20,133.16 and 5,101.18

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Solution

The fourth proportional to 13,424.13, 20,133.16 and 5,101.18 is: 7,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.13 : 20,133.16 = 5,101.18 : x
  2. Step 2: Convert to fraction form
    13,424.13/20,133.16 = 5,101.18/x
  3. Step 3: Cross multiply
    13,424.13x = 20,133.16 × 5,101.18
  4. Step 4: Simplify right side
    13,424.13x = 102,702,810.04
  5. Step 5: Solve for x
    x = 102,702,810.04/13,424.13
  6. Step 6: Final answer
    x = 7,650.61

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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.