Home / 13,971.96-19,291.18-9,266.04

Finding the Fourth Proportional to 13,971.96, 19,291.18 and 9,266.04

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Solution

The fourth proportional to 13,971.96, 19,291.18 and 9,266.04 is: 12,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.96 : 19,291.18 = 9,266.04 : x
  2. Step 2: Convert to fraction form
    13,971.96/19,291.18 = 9,266.04/x
  3. Step 3: Cross multiply
    13,971.96x = 19,291.18 × 9,266.04
  4. Step 4: Simplify right side
    13,971.96x = 178,752,845.53
  5. Step 5: Solve for x
    x = 178,752,845.53/13,971.96
  6. Step 6: Final answer
    x = 12,793.68

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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.