Home / 9,518.28-13,134.99-5,269.24

Finding the Fourth Proportional to 9,518.28, 13,134.99 and 5,269.24

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Solution

The fourth proportional to 9,518.28, 13,134.99 and 5,269.24 is: 7,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.28 : 13,134.99 = 5,269.24 : x
  2. Step 2: Convert to fraction form
    9,518.28/13,134.99 = 5,269.24/x
  3. Step 3: Cross multiply
    9,518.28x = 13,134.99 × 5,269.24
  4. Step 4: Simplify right side
    9,518.28x = 69,211,414.71
  5. Step 5: Solve for x
    x = 69,211,414.71/9,518.28
  6. Step 6: Final answer
    x = 7,271.42

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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.