Home / 10,948.64-16,423.83-4,371.21

Finding the Fourth Proportional to 10,948.64, 16,423.83 and 4,371.21

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Solution

The fourth proportional to 10,948.64, 16,423.83 and 4,371.21 is: 6,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.64 : 16,423.83 = 4,371.21 : x
  2. Step 2: Convert to fraction form
    10,948.64/16,423.83 = 4,371.21/x
  3. Step 3: Cross multiply
    10,948.64x = 16,423.83 × 4,371.21
  4. Step 4: Simplify right side
    10,948.64x = 71,792,009.93
  5. Step 5: Solve for x
    x = 71,792,009.93/10,948.64
  6. Step 6: Final answer
    x = 6,557.17

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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.