Home / 9,802.11-13,527.68-5,554.20

Finding the Fourth Proportional to 9,802.11, 13,527.68 and 5,554.20

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Solution

The fourth proportional to 9,802.11, 13,527.68 and 5,554.20 is: 7,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,802.11 : 13,527.68 = 5,554.20 : x
  2. Step 2: Convert to fraction form
    9,802.11/13,527.68 = 5,554.20/x
  3. Step 3: Cross multiply
    9,802.11x = 13,527.68 × 5,554.20
  4. Step 4: Simplify right side
    9,802.11x = 75,135,463.21
  5. Step 5: Solve for x
    x = 75,135,463.21/9,802.11
  6. Step 6: Final answer
    x = 7,665.23

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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.