Home / 10,322.73-15,484.05-4,479.21

Finding the Fourth Proportional to 10,322.73, 15,484.05 and 4,479.21

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Solution

The fourth proportional to 10,322.73, 15,484.05 and 4,479.21 is: 6,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.73 : 15,484.05 = 4,479.21 : x
  2. Step 2: Convert to fraction form
    10,322.73/15,484.05 = 4,479.21/x
  3. Step 3: Cross multiply
    10,322.73x = 15,484.05 × 4,479.21
  4. Step 4: Simplify right side
    10,322.73x = 69,356,311.60
  5. Step 5: Solve for x
    x = 69,356,311.60/10,322.73
  6. Step 6: Final answer
    x = 6,718.80

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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.