Home / 22,433.40-33,645.96-8,390.16

Finding the Fourth Proportional to 22,433.40, 33,645.96 and 8,390.16

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Solution

The fourth proportional to 22,433.40, 33,645.96 and 8,390.16 is: 12,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.40 : 33,645.96 = 8,390.16 : x
  2. Step 2: Convert to fraction form
    22,433.40/33,645.96 = 8,390.16/x
  3. Step 3: Cross multiply
    22,433.40x = 33,645.96 × 8,390.16
  4. Step 4: Simplify right side
    22,433.40x = 282,294,987.75
  5. Step 5: Solve for x
    x = 282,294,987.75/22,433.40
  6. Step 6: Final answer
    x = 12,583.69

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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.