Home / 15,395.33-21,244.34-9,021.11

Finding the Fourth Proportional to 15,395.33, 21,244.34 and 9,021.11

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Solution

The fourth proportional to 15,395.33, 21,244.34 and 9,021.11 is: 12,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395.33 : 21,244.34 = 9,021.11 : x
  2. Step 2: Convert to fraction form
    15,395.33/21,244.34 = 9,021.11/x
  3. Step 3: Cross multiply
    15,395.33x = 21,244.34 × 9,021.11
  4. Step 4: Simplify right side
    15,395.33x = 191,647,444.35
  5. Step 5: Solve for x
    x = 191,647,444.35/15,395.33
  6. Step 6: Final answer
    x = 12,448.41

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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.