Home / 22,370.54-33,531.20-9,215.74

Finding the Fourth Proportional to 22,370.54, 33,531.20 and 9,215.74

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Solution

The fourth proportional to 22,370.54, 33,531.20 and 9,215.74 is: 13,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.54 : 33,531.20 = 9,215.74 : x
  2. Step 2: Convert to fraction form
    22,370.54/33,531.20 = 9,215.74/x
  3. Step 3: Cross multiply
    22,370.54x = 33,531.20 × 9,215.74
  4. Step 4: Simplify right side
    22,370.54x = 309,014,821.09
  5. Step 5: Solve for x
    x = 309,014,821.09/22,370.54
  6. Step 6: Final answer
    x = 13,813.47

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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.