Home / 13,484.30-20,232.71-5,161.56

Finding the Fourth Proportional to 13,484.30, 20,232.71 and 5,161.56

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Solution

The fourth proportional to 13,484.30, 20,232.71 and 5,161.56 is: 7,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.30 : 20,232.71 = 5,161.56 : x
  2. Step 2: Convert to fraction form
    13,484.30/20,232.71 = 5,161.56/x
  3. Step 3: Cross multiply
    13,484.30x = 20,232.71 × 5,161.56
  4. Step 4: Simplify right side
    13,484.30x = 104,432,320.82
  5. Step 5: Solve for x
    x = 104,432,320.82/13,484.30
  6. Step 6: Final answer
    x = 7,744.74

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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.