Home / 22,166.40-33,243.12-8,312.16

Finding the Fourth Proportional to 22,166.40, 33,243.12 and 8,312.16

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Solution

The fourth proportional to 22,166.40, 33,243.12 and 8,312.16 is: 12,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.40 : 33,243.12 = 8,312.16 : x
  2. Step 2: Convert to fraction form
    22,166.40/33,243.12 = 8,312.16/x
  3. Step 3: Cross multiply
    22,166.40x = 33,243.12 × 8,312.16
  4. Step 4: Simplify right side
    22,166.40x = 276,322,132.34
  5. Step 5: Solve for x
    x = 276,322,132.34/22,166.40
  6. Step 6: Final answer
    x = 12,465.81

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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.