Home / 10,643.19-15,966.72-4,399.81

Finding the Fourth Proportional to 10,643.19, 15,966.72 and 4,399.81

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Solution

The fourth proportional to 10,643.19, 15,966.72 and 4,399.81 is: 6,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.19 : 15,966.72 = 4,399.81 : x
  2. Step 2: Convert to fraction form
    10,643.19/15,966.72 = 4,399.81/x
  3. Step 3: Cross multiply
    10,643.19x = 15,966.72 × 4,399.81
  4. Step 4: Simplify right side
    10,643.19x = 70,250,472.41
  5. Step 5: Solve for x
    x = 70,250,472.41/10,643.19
  6. Step 6: Final answer
    x = 6,600.51

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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.