Home / 15,786.92-23,650-9,866.12

Finding the Fourth Proportional to 15,786.92, 23,650 and 9,866.12

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Solution

The fourth proportional to 15,786.92, 23,650 and 9,866.12 is: 14,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.92 : 23,650 = 9,866.12 : x
  2. Step 2: Convert to fraction form
    15,786.92/23,650 = 9,866.12/x
  3. Step 3: Cross multiply
    15,786.92x = 23,650 × 9,866.12
  4. Step 4: Simplify right side
    15,786.92x = 233,333,738.00
  5. Step 5: Solve for x
    x = 233,333,738.00/15,786.92
  6. Step 6: Final answer
    x = 14,780.19

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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.