Home / 10,530.24-15,794.88-3,509.76

Finding the Fourth Proportional to 10,530.24, 15,794.88 and 3,509.76

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Solution

The fourth proportional to 10,530.24, 15,794.88 and 3,509.76 is: 5,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.24 : 15,794.88 = 3,509.76 : x
  2. Step 2: Convert to fraction form
    10,530.24/15,794.88 = 3,509.76/x
  3. Step 3: Cross multiply
    10,530.24x = 15,794.88 × 3,509.76
  4. Step 4: Simplify right side
    10,530.24x = 55,436,238.03
  5. Step 5: Solve for x
    x = 55,436,238.03/10,530.24
  6. Step 6: Final answer
    x = 5,264.48

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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.