Home / 22,290.56-33,423.08-9,135.76

Finding the Fourth Proportional to 22,290.56, 33,423.08 and 9,135.76

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Solution

The fourth proportional to 22,290.56, 33,423.08 and 9,135.76 is: 13,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.56 : 33,423.08 = 9,135.76 : x
  2. Step 2: Convert to fraction form
    22,290.56/33,423.08 = 9,135.76/x
  3. Step 3: Cross multiply
    22,290.56x = 33,423.08 × 9,135.76
  4. Step 4: Simplify right side
    22,290.56x = 305,345,237.34
  5. Step 5: Solve for x
    x = 305,345,237.34/22,290.56
  6. Step 6: Final answer
    x = 13,698.41

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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.