Home / 17,155.65-23,669.40-9,600.78

Finding the Fourth Proportional to 17,155.65, 23,669.40 and 9,600.78

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Solution

The fourth proportional to 17,155.65, 23,669.40 and 9,600.78 is: 13,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.65 : 23,669.40 = 9,600.78 : x
  2. Step 2: Convert to fraction form
    17,155.65/23,669.40 = 9,600.78/x
  3. Step 3: Cross multiply
    17,155.65x = 23,669.40 × 9,600.78
  4. Step 4: Simplify right side
    17,155.65x = 227,244,722.23
  5. Step 5: Solve for x
    x = 227,244,722.23/17,155.65
  6. Step 6: Final answer
    x = 13,246.06

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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.