Home / 9,480.66-14,219.82-4,215.78

Finding the Fourth Proportional to 9,480.66, 14,219.82 and 4,215.78

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Solution

The fourth proportional to 9,480.66, 14,219.82 and 4,215.78 is: 6,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.66 : 14,219.82 = 4,215.78 : x
  2. Step 2: Convert to fraction form
    9,480.66/14,219.82 = 4,215.78/x
  3. Step 3: Cross multiply
    9,480.66x = 14,219.82 × 4,215.78
  4. Step 4: Simplify right side
    9,480.66x = 59,947,632.76
  5. Step 5: Solve for x
    x = 59,947,632.76/9,480.66
  6. Step 6: Final answer
    x = 6,323.15

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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.