Home / 10,553.37-15,830.76-3,534.12

Finding the Fourth Proportional to 10,553.37, 15,830.76 and 3,534.12

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Solution

The fourth proportional to 10,553.37, 15,830.76 and 3,534.12 is: 5,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.37 : 15,830.76 = 3,534.12 : x
  2. Step 2: Convert to fraction form
    10,553.37/15,830.76 = 3,534.12/x
  3. Step 3: Cross multiply
    10,553.37x = 15,830.76 × 3,534.12
  4. Step 4: Simplify right side
    10,553.37x = 55,947,805.53
  5. Step 5: Solve for x
    x = 55,947,805.53/10,553.37
  6. Step 6: Final answer
    x = 5,301.42

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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.