Home / 14,612.13-20,164.33-8,238.66

Finding the Fourth Proportional to 14,612.13, 20,164.33 and 8,238.66

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Solution

The fourth proportional to 14,612.13, 20,164.33 and 8,238.66 is: 11,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.13 : 20,164.33 = 8,238.66 : x
  2. Step 2: Convert to fraction form
    14,612.13/20,164.33 = 8,238.66/x
  3. Step 3: Cross multiply
    14,612.13x = 20,164.33 × 8,238.66
  4. Step 4: Simplify right side
    14,612.13x = 166,127,186.99
  5. Step 5: Solve for x
    x = 166,127,186.99/14,612.13
  6. Step 6: Final answer
    x = 11,369.13

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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.