Home / 20,375.28-30,547.26-7,893.45

Finding the Fourth Proportional to 20,375.28, 30,547.26 and 7,893.45

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Solution

The fourth proportional to 20,375.28, 30,547.26 and 7,893.45 is: 11,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,375.28 : 30,547.26 = 7,893.45 : x
  2. Step 2: Convert to fraction form
    20,375.28/30,547.26 = 7,893.45/x
  3. Step 3: Cross multiply
    20,375.28x = 30,547.26 × 7,893.45
  4. Step 4: Simplify right side
    20,375.28x = 241,123,269.45
  5. Step 5: Solve for x
    x = 241,123,269.45/20,375.28
  6. Step 6: Final answer
    x = 11,834.11

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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.