Home / 22,289.56-33,421.58-9,134.76

Finding the Fourth Proportional to 22,289.56, 33,421.58 and 9,134.76

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Solution

The fourth proportional to 22,289.56, 33,421.58 and 9,134.76 is: 13,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.56 : 33,421.58 = 9,134.76 : x
  2. Step 2: Convert to fraction form
    22,289.56/33,421.58 = 9,134.76/x
  3. Step 3: Cross multiply
    22,289.56x = 33,421.58 × 9,134.76
  4. Step 4: Simplify right side
    22,289.56x = 305,298,112.12
  5. Step 5: Solve for x
    x = 305,298,112.12/22,289.56
  6. Step 6: Final answer
    x = 13,696.91

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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.