Home / 14,871.23-20,522.12-8,065.15

Finding the Fourth Proportional to 14,871.23, 20,522.12 and 8,065.15

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Solution

The fourth proportional to 14,871.23, 20,522.12 and 8,065.15 is: 11,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.23 : 20,522.12 = 8,065.15 : x
  2. Step 2: Convert to fraction form
    14,871.23/20,522.12 = 8,065.15/x
  3. Step 3: Cross multiply
    14,871.23x = 20,522.12 × 8,065.15
  4. Step 4: Simplify right side
    14,871.23x = 165,513,976.12
  5. Step 5: Solve for x
    x = 165,513,976.12/14,871.23
  6. Step 6: Final answer
    x = 11,129.81

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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.