Home / 8,949.51-12,350.87-5,173.36

Finding the Fourth Proportional to 8,949.51, 12,350.87 and 5,173.36

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Solution

The fourth proportional to 8,949.51, 12,350.87 and 5,173.36 is: 7,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.51 : 12,350.87 = 5,173.36 : x
  2. Step 2: Convert to fraction form
    8,949.51/12,350.87 = 5,173.36/x
  3. Step 3: Cross multiply
    8,949.51x = 12,350.87 × 5,173.36
  4. Step 4: Simplify right side
    8,949.51x = 63,895,496.82
  5. Step 5: Solve for x
    x = 63,895,496.82/8,949.51
  6. Step 6: Final answer
    x = 7,139.55

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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.