Home / 11,441.87-17,130.45-7,271.54

Finding the Fourth Proportional to 11,441.87, 17,130.45 and 7,271.54

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Solution

The fourth proportional to 11,441.87, 17,130.45 and 7,271.54 is: 10,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.87 : 17,130.45 = 7,271.54 : x
  2. Step 2: Convert to fraction form
    11,441.87/17,130.45 = 7,271.54/x
  3. Step 3: Cross multiply
    11,441.87x = 17,130.45 × 7,271.54
  4. Step 4: Simplify right side
    11,441.87x = 124,564,752.39
  5. Step 5: Solve for x
    x = 124,564,752.39/11,441.87
  6. Step 6: Final answer
    x = 10,886.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.