Home / 22,991.04-34,486.68-9,140.04

Finding the Fourth Proportional to 22,991.04, 34,486.68 and 9,140.04

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Solution

The fourth proportional to 22,991.04, 34,486.68 and 9,140.04 is: 13,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.04 : 34,486.68 = 9,140.04 : x
  2. Step 2: Convert to fraction form
    22,991.04/34,486.68 = 9,140.04/x
  3. Step 3: Cross multiply
    22,991.04x = 34,486.68 × 9,140.04
  4. Step 4: Simplify right side
    22,991.04x = 315,209,634.67
  5. Step 5: Solve for x
    x = 315,209,634.67/22,991.04
  6. Step 6: Final answer
    x = 13,710.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.