Home / 15,283.05-22,919.40-5,420.94

Finding the Fourth Proportional to 15,283.05, 22,919.40 and 5,420.94

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Solution

The fourth proportional to 15,283.05, 22,919.40 and 5,420.94 is: 8,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.05 : 22,919.40 = 5,420.94 : x
  2. Step 2: Convert to fraction form
    15,283.05/22,919.40 = 5,420.94/x
  3. Step 3: Cross multiply
    15,283.05x = 22,919.40 × 5,420.94
  4. Step 4: Simplify right side
    15,283.05x = 124,244,692.24
  5. Step 5: Solve for x
    x = 124,244,692.24/15,283.05
  6. Step 6: Final answer
    x = 8,129.57

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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.