Home / 18,223.58-25,154.75-11,330.15

Finding the Fourth Proportional to 18,223.58, 25,154.75 and 11,330.15

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Solution

The fourth proportional to 18,223.58, 25,154.75 and 11,330.15 is: 15,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.58 : 25,154.75 = 11,330.15 : x
  2. Step 2: Convert to fraction form
    18,223.58/25,154.75 = 11,330.15/x
  3. Step 3: Cross multiply
    18,223.58x = 25,154.75 × 11,330.15
  4. Step 4: Simplify right side
    18,223.58x = 285,006,993.26
  5. Step 5: Solve for x
    x = 285,006,993.26/18,223.58
  6. Step 6: Final answer
    x = 15,639.46

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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.