Home / 12,440.92-18,643.90-10,584.68

Finding the Fourth Proportional to 12,440.92, 18,643.90 and 10,584.68

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Solution

The fourth proportional to 12,440.92, 18,643.90 and 10,584.68 is: 15,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.92 : 18,643.90 = 10,584.68 : x
  2. Step 2: Convert to fraction form
    12,440.92/18,643.90 = 10,584.68/x
  3. Step 3: Cross multiply
    12,440.92x = 18,643.90 × 10,584.68
  4. Step 4: Simplify right side
    12,440.92x = 197,339,715.45
  5. Step 5: Solve for x
    x = 197,339,715.45/12,440.92
  6. Step 6: Final answer
    x = 15,862.15

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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.