Home / 22,140.80-33,207.10-6,554.72

Finding the Fourth Proportional to 22,140.80, 33,207.10 and 6,554.72

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Solution

The fourth proportional to 22,140.80, 33,207.10 and 6,554.72 is: 9,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.80 : 33,207.10 = 6,554.72 : x
  2. Step 2: Convert to fraction form
    22,140.80/33,207.10 = 6,554.72/x
  3. Step 3: Cross multiply
    22,140.80x = 33,207.10 × 6,554.72
  4. Step 4: Simplify right side
    22,140.80x = 217,663,242.51
  5. Step 5: Solve for x
    x = 217,663,242.51/22,140.80
  6. Step 6: Final answer
    x = 9,830.87

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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.