Home / 15,006.40-22,477.20-8,072.80

Finding the Fourth Proportional to 15,006.40, 22,477.20 and 8,072.80

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Solution

The fourth proportional to 15,006.40, 22,477.20 and 8,072.80 is: 12,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.40 : 22,477.20 = 8,072.80 : x
  2. Step 2: Convert to fraction form
    15,006.40/22,477.20 = 8,072.80/x
  3. Step 3: Cross multiply
    15,006.40x = 22,477.20 × 8,072.80
  4. Step 4: Simplify right side
    15,006.40x = 181,453,940.16
  5. Step 5: Solve for x
    x = 181,453,940.16/15,006.40
  6. Step 6: Final answer
    x = 12,091.77

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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.