Home / 22,423.12-33,639.08-6,628.40

Finding the Fourth Proportional to 22,423.12, 33,639.08 and 6,628.40

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Solution

The fourth proportional to 22,423.12, 33,639.08 and 6,628.40 is: 9,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.12 : 33,639.08 = 6,628.40 : x
  2. Step 2: Convert to fraction form
    22,423.12/33,639.08 = 6,628.40/x
  3. Step 3: Cross multiply
    22,423.12x = 33,639.08 × 6,628.40
  4. Step 4: Simplify right side
    22,423.12x = 222,973,277.87
  5. Step 5: Solve for x
    x = 222,973,277.87/22,423.12
  6. Step 6: Final answer
    x = 9,943.90

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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.