Home / 10,809.90-16,216.53-4,569.94

Finding the Fourth Proportional to 10,809.90, 16,216.53 and 4,569.94

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Solution

The fourth proportional to 10,809.90, 16,216.53 and 4,569.94 is: 6,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.90 : 16,216.53 = 4,569.94 : x
  2. Step 2: Convert to fraction form
    10,809.90/16,216.53 = 4,569.94/x
  3. Step 3: Cross multiply
    10,809.90x = 16,216.53 × 4,569.94
  4. Step 4: Simplify right side
    10,809.90x = 74,108,569.11
  5. Step 5: Solve for x
    x = 74,108,569.11/10,809.90
  6. Step 6: Final answer
    x = 6,855.62

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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.