Home / 13,363.72-20,053.50-7,445.56

Finding the Fourth Proportional to 13,363.72, 20,053.50 and 7,445.56

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Solution

The fourth proportional to 13,363.72, 20,053.50 and 7,445.56 is: 11,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.72 : 20,053.50 = 7,445.56 : x
  2. Step 2: Convert to fraction form
    13,363.72/20,053.50 = 7,445.56/x
  3. Step 3: Cross multiply
    13,363.72x = 20,053.50 × 7,445.56
  4. Step 4: Simplify right side
    13,363.72x = 149,309,537.46
  5. Step 5: Solve for x
    x = 149,309,537.46/13,363.72
  6. Step 6: Final answer
    x = 11,172.75

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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.