Home / 10,235.80-15,354.02-3,995.56

Finding the Fourth Proportional to 10,235.80, 15,354.02 and 3,995.56

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Solution

The fourth proportional to 10,235.80, 15,354.02 and 3,995.56 is: 5,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.80 : 15,354.02 = 3,995.56 : x
  2. Step 2: Convert to fraction form
    10,235.80/15,354.02 = 3,995.56/x
  3. Step 3: Cross multiply
    10,235.80x = 15,354.02 × 3,995.56
  4. Step 4: Simplify right side
    10,235.80x = 61,347,908.15
  5. Step 5: Solve for x
    x = 61,347,908.15/10,235.80
  6. Step 6: Final answer
    x = 5,993.46

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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.