Home / 17,563.89-26,356.31-6,478.53

Finding the Fourth Proportional to 17,563.89, 26,356.31 and 6,478.53

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Solution

The fourth proportional to 17,563.89, 26,356.31 and 6,478.53 is: 9,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,563.89 : 26,356.31 = 6,478.53 : x
  2. Step 2: Convert to fraction form
    17,563.89/26,356.31 = 6,478.53/x
  3. Step 3: Cross multiply
    17,563.89x = 26,356.31 × 6,478.53
  4. Step 4: Simplify right side
    17,563.89x = 170,750,204.57
  5. Step 5: Solve for x
    x = 170,750,204.57/17,563.89
  6. Step 6: Final answer
    x = 9,721.66

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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.