Home / 14,712.12-20,303.19-11,169.18

Finding the Fourth Proportional to 14,712.12, 20,303.19 and 11,169.18

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Solution

The fourth proportional to 14,712.12, 20,303.19 and 11,169.18 is: 15,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.12 : 20,303.19 = 11,169.18 : x
  2. Step 2: Convert to fraction form
    14,712.12/20,303.19 = 11,169.18/x
  3. Step 3: Cross multiply
    14,712.12x = 20,303.19 × 11,169.18
  4. Step 4: Simplify right side
    14,712.12x = 226,769,983.68
  5. Step 5: Solve for x
    x = 226,769,983.68/14,712.12
  6. Step 6: Final answer
    x = 15,413.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.