Home / 12,436.04-18,642.33-6,190.14

Finding the Fourth Proportional to 12,436.04, 18,642.33 and 6,190.14

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Solution

The fourth proportional to 12,436.04, 18,642.33 and 6,190.14 is: 9,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.04 : 18,642.33 = 6,190.14 : x
  2. Step 2: Convert to fraction form
    12,436.04/18,642.33 = 6,190.14/x
  3. Step 3: Cross multiply
    12,436.04x = 18,642.33 × 6,190.14
  4. Step 4: Simplify right side
    12,436.04x = 115,398,632.63
  5. Step 5: Solve for x
    x = 115,398,632.63/12,436.04
  6. Step 6: Final answer
    x = 9,279.38

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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.