Home / 12,817.46-19,224.27-10,640.18

Finding the Fourth Proportional to 12,817.46, 19,224.27 and 10,640.18

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Solution

The fourth proportional to 12,817.46, 19,224.27 and 10,640.18 is: 15,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.46 : 19,224.27 = 10,640.18 : x
  2. Step 2: Convert to fraction form
    12,817.46/19,224.27 = 10,640.18/x
  3. Step 3: Cross multiply
    12,817.46x = 19,224.27 × 10,640.18
  4. Step 4: Simplify right side
    12,817.46x = 204,549,693.17
  5. Step 5: Solve for x
    x = 204,549,693.17/12,817.46
  6. Step 6: Final answer
    x = 15,958.68

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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.