Home / 17,868.81-24,642.82-11,155.06

Finding the Fourth Proportional to 17,868.81, 24,642.82 and 11,155.06

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Solution

The fourth proportional to 17,868.81, 24,642.82 and 11,155.06 is: 15,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.81 : 24,642.82 = 11,155.06 : x
  2. Step 2: Convert to fraction form
    17,868.81/24,642.82 = 11,155.06/x
  3. Step 3: Cross multiply
    17,868.81x = 24,642.82 × 11,155.06
  4. Step 4: Simplify right side
    17,868.81x = 274,892,135.67
  5. Step 5: Solve for x
    x = 274,892,135.67/17,868.81
  6. Step 6: Final answer
    x = 15,383.91

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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.