Home / 15,667.14-23,506.11-9,816.78

Finding the Fourth Proportional to 15,667.14, 23,506.11 and 9,816.78

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Solution

The fourth proportional to 15,667.14, 23,506.11 and 9,816.78 is: 14,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.14 : 23,506.11 = 9,816.78 : x
  2. Step 2: Convert to fraction form
    15,667.14/23,506.11 = 9,816.78/x
  3. Step 3: Cross multiply
    15,667.14x = 23,506.11 × 9,816.78
  4. Step 4: Simplify right side
    15,667.14x = 230,754,310.53
  5. Step 5: Solve for x
    x = 230,754,310.53/15,667.14
  6. Step 6: Final answer
    x = 14,728.55

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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.