Home / 9,518.28-13,134.54-5,269.20

Finding the Fourth Proportional to 9,518.28, 13,134.54 and 5,269.20

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Solution

The fourth proportional to 9,518.28, 13,134.54 and 5,269.20 is: 7,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.28 : 13,134.54 = 5,269.20 : x
  2. Step 2: Convert to fraction form
    9,518.28/13,134.54 = 5,269.20/x
  3. Step 3: Cross multiply
    9,518.28x = 13,134.54 × 5,269.20
  4. Step 4: Simplify right side
    9,518.28x = 69,208,518.17
  5. Step 5: Solve for x
    x = 69,208,518.17/9,518.28
  6. Step 6: Final answer
    x = 7,271.12

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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.