Home / 15,412.19-23,118.27-11,907.29

Finding the Fourth Proportional to 15,412.19, 23,118.27 and 11,907.29

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Solution

The fourth proportional to 15,412.19, 23,118.27 and 11,907.29 is: 17,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.19 : 23,118.27 = 11,907.29 : x
  2. Step 2: Convert to fraction form
    15,412.19/23,118.27 = 11,907.29/x
  3. Step 3: Cross multiply
    15,412.19x = 23,118.27 × 11,907.29
  4. Step 4: Simplify right side
    15,412.19x = 275,275,829.60
  5. Step 5: Solve for x
    x = 275,275,829.60/15,412.19
  6. Step 6: Final answer
    x = 17,860.92

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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.