Home / 10,219.64-15,323.67-3,553.07

Finding the Fourth Proportional to 10,219.64, 15,323.67 and 3,553.07

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Solution

The fourth proportional to 10,219.64, 15,323.67 and 3,553.07 is: 5,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.64 : 15,323.67 = 3,553.07 : x
  2. Step 2: Convert to fraction form
    10,219.64/15,323.67 = 3,553.07/x
  3. Step 3: Cross multiply
    10,219.64x = 15,323.67 × 3,553.07
  4. Step 4: Simplify right side
    10,219.64x = 54,445,995.55
  5. Step 5: Solve for x
    x = 54,445,995.55/10,219.64
  6. Step 6: Final answer
    x = 5,327.59

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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.