Home / 9,763.56-13,473.68-5,287.28

Finding the Fourth Proportional to 9,763.56, 13,473.68 and 5,287.28

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Solution

The fourth proportional to 9,763.56, 13,473.68 and 5,287.28 is: 7,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.56 : 13,473.68 = 5,287.28 : x
  2. Step 2: Convert to fraction form
    9,763.56/13,473.68 = 5,287.28/x
  3. Step 3: Cross multiply
    9,763.56x = 13,473.68 × 5,287.28
  4. Step 4: Simplify right side
    9,763.56x = 71,239,024.99
  5. Step 5: Solve for x
    x = 71,239,024.99/9,763.56
  6. Step 6: Final answer
    x = 7,296.42

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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.