Home / 10,509.08-15,763.66-3,113.68

Finding the Fourth Proportional to 10,509.08, 15,763.66 and 3,113.68

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Solution

The fourth proportional to 10,509.08, 15,763.66 and 3,113.68 is: 4,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.08 : 15,763.66 = 3,113.68 : x
  2. Step 2: Convert to fraction form
    10,509.08/15,763.66 = 3,113.68/x
  3. Step 3: Cross multiply
    10,509.08x = 15,763.66 × 3,113.68
  4. Step 4: Simplify right side
    10,509.08x = 49,082,992.87
  5. Step 5: Solve for x
    x = 49,082,992.87/10,509.08
  6. Step 6: Final answer
    x = 4,670.53

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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.