Home / 10,455.06-15,682.59-3,529.56

Finding the Fourth Proportional to 10,455.06, 15,682.59 and 3,529.56

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Solution

The fourth proportional to 10,455.06, 15,682.59 and 3,529.56 is: 5,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.06 : 15,682.59 = 3,529.56 : x
  2. Step 2: Convert to fraction form
    10,455.06/15,682.59 = 3,529.56/x
  3. Step 3: Cross multiply
    10,455.06x = 15,682.59 × 3,529.56
  4. Step 4: Simplify right side
    10,455.06x = 55,352,642.36
  5. Step 5: Solve for x
    x = 55,352,642.36/10,455.06
  6. Step 6: Final answer
    x = 5,294.34

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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.