Home / 9,721.75-14,568.96-5,555.52

Finding the Fourth Proportional to 9,721.75, 14,568.96 and 5,555.52

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Solution

The fourth proportional to 9,721.75, 14,568.96 and 5,555.52 is: 8,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.75 : 14,568.96 = 5,555.52 : x
  2. Step 2: Convert to fraction form
    9,721.75/14,568.96 = 5,555.52/x
  3. Step 3: Cross multiply
    9,721.75x = 14,568.96 × 5,555.52
  4. Step 4: Simplify right side
    9,721.75x = 80,938,048.04
  5. Step 5: Solve for x
    x = 80,938,048.04/9,721.75
  6. Step 6: Final answer
    x = 8,325.46

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1.5x scale

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.