Home / 10,219.24-15,328.91-3,103.54

Finding the Fourth Proportional to 10,219.24, 15,328.91 and 3,103.54

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Solution

The fourth proportional to 10,219.24, 15,328.91 and 3,103.54 is: 4,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.24 : 15,328.91 = 3,103.54 : x
  2. Step 2: Convert to fraction form
    10,219.24/15,328.91 = 3,103.54/x
  3. Step 3: Cross multiply
    10,219.24x = 15,328.91 × 3,103.54
  4. Step 4: Simplify right side
    10,219.24x = 47,573,831.50
  5. Step 5: Solve for x
    x = 47,573,831.50/10,219.24
  6. Step 6: Final answer
    x = 4,655.32

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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.