Home / 22,006.40-33,000.80-8,152.32

Finding the Fourth Proportional to 22,006.40, 33,000.80 and 8,152.32

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Solution

The fourth proportional to 22,006.40, 33,000.80 and 8,152.32 is: 12,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.40 : 33,000.80 = 8,152.32 : x
  2. Step 2: Convert to fraction form
    22,006.40/33,000.80 = 8,152.32/x
  3. Step 3: Cross multiply
    22,006.40x = 33,000.80 × 8,152.32
  4. Step 4: Simplify right side
    22,006.40x = 269,033,081.86
  5. Step 5: Solve for x
    x = 269,033,081.86/22,006.40
  6. Step 6: Final answer
    x = 12,225.22

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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.