Home / 18,864.42-26,035.14-11,314.90

Finding the Fourth Proportional to 18,864.42, 26,035.14 and 11,314.90

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Solution

The fourth proportional to 18,864.42, 26,035.14 and 11,314.90 is: 15,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.42 : 26,035.14 = 11,314.90 : x
  2. Step 2: Convert to fraction form
    18,864.42/26,035.14 = 11,314.90/x
  3. Step 3: Cross multiply
    18,864.42x = 26,035.14 × 11,314.90
  4. Step 4: Simplify right side
    18,864.42x = 294,585,005.59
  5. Step 5: Solve for x
    x = 294,585,005.59/18,864.42
  6. Step 6: Final answer
    x = 15,615.91

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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.