Home / 15,118.90-22,635.75-11,409.34

Finding the Fourth Proportional to 15,118.90, 22,635.75 and 11,409.34

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Solution

The fourth proportional to 15,118.90, 22,635.75 and 11,409.34 is: 17,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.90 : 22,635.75 = 11,409.34 : x
  2. Step 2: Convert to fraction form
    15,118.90/22,635.75 = 11,409.34/x
  3. Step 3: Cross multiply
    15,118.90x = 22,635.75 × 11,409.34
  4. Step 4: Simplify right side
    15,118.90x = 258,258,967.91
  5. Step 5: Solve for x
    x = 258,258,967.91/15,118.90
  6. Step 6: Final answer
    x = 17,081.86

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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.