Home / 22,420.66-33,622.71-9,768.85

Finding the Fourth Proportional to 22,420.66, 33,622.71 and 9,768.85

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Solution

The fourth proportional to 22,420.66, 33,622.71 and 9,768.85 is: 14,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.66 : 33,622.71 = 9,768.85 : x
  2. Step 2: Convert to fraction form
    22,420.66/33,622.71 = 9,768.85/x
  3. Step 3: Cross multiply
    22,420.66x = 33,622.71 × 9,768.85
  4. Step 4: Simplify right side
    22,420.66x = 328,455,210.58
  5. Step 5: Solve for x
    x = 328,455,210.58/22,420.66
  6. Step 6: Final answer
    x = 14,649.67

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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.