Home / 18,860.96-26,013.52-13,823.28

Finding the Fourth Proportional to 18,860.96, 26,013.52 and 13,823.28

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Solution

The fourth proportional to 18,860.96, 26,013.52 and 13,823.28 is: 19,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.96 : 26,013.52 = 13,823.28 : x
  2. Step 2: Convert to fraction form
    18,860.96/26,013.52 = 13,823.28/x
  3. Step 3: Cross multiply
    18,860.96x = 26,013.52 × 13,823.28
  4. Step 4: Simplify right side
    18,860.96x = 359,592,170.75
  5. Step 5: Solve for x
    x = 359,592,170.75/18,860.96
  6. Step 6: Final answer
    x = 19,065.42

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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.