Home / 15,422.65-23,115.38-7,091.25

Finding the Fourth Proportional to 15,422.65, 23,115.38 and 7,091.25

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Solution

The fourth proportional to 15,422.65, 23,115.38 and 7,091.25 is: 10,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.65 : 23,115.38 = 7,091.25 : x
  2. Step 2: Convert to fraction form
    15,422.65/23,115.38 = 7,091.25/x
  3. Step 3: Cross multiply
    15,422.65x = 23,115.38 × 7,091.25
  4. Step 4: Simplify right side
    15,422.65x = 163,916,816.29
  5. Step 5: Solve for x
    x = 163,916,816.29/15,422.65
  6. Step 6: Final answer
    x = 10,628.32

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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.