Home / 22,011.08-33,015.48-7,218.05

Finding the Fourth Proportional to 22,011.08, 33,015.48 and 7,218.05

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Solution

The fourth proportional to 22,011.08, 33,015.48 and 7,218.05 is: 10,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.08 : 33,015.48 = 7,218.05 : x
  2. Step 2: Convert to fraction form
    22,011.08/33,015.48 = 7,218.05/x
  3. Step 3: Cross multiply
    22,011.08x = 33,015.48 × 7,218.05
  4. Step 4: Simplify right side
    22,011.08x = 238,307,440.89
  5. Step 5: Solve for x
    x = 238,307,440.89/22,011.08
  6. Step 6: Final answer
    x = 10,826.70

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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.