Home / 9,721.29-13,416.68-5,473.18

Finding the Fourth Proportional to 9,721.29, 13,416.68 and 5,473.18

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Solution

The fourth proportional to 9,721.29, 13,416.68 and 5,473.18 is: 7,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.29 : 13,416.68 = 5,473.18 : x
  2. Step 2: Convert to fraction form
    9,721.29/13,416.68 = 5,473.18/x
  3. Step 3: Cross multiply
    9,721.29x = 13,416.68 × 5,473.18
  4. Step 4: Simplify right side
    9,721.29x = 73,431,904.64
  5. Step 5: Solve for x
    x = 73,431,904.64/9,721.29
  6. Step 6: Final answer
    x = 7,553.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.