Home / 15,959.79-23,907.33-7,399.21

Finding the Fourth Proportional to 15,959.79, 23,907.33 and 7,399.21

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Solution

The fourth proportional to 15,959.79, 23,907.33 and 7,399.21 is: 11,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.79 : 23,907.33 = 7,399.21 : x
  2. Step 2: Convert to fraction form
    15,959.79/23,907.33 = 7,399.21/x
  3. Step 3: Cross multiply
    15,959.79x = 23,907.33 × 7,399.21
  4. Step 4: Simplify right side
    15,959.79x = 176,895,412.84
  5. Step 5: Solve for x
    x = 176,895,412.84/15,959.79
  6. Step 6: Final answer
    x = 11,083.82

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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.