Home / 10,949.08-15,074.94-9,551.32

Finding the Fourth Proportional to 10,949.08, 15,074.94 and 9,551.32

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Solution

The fourth proportional to 10,949.08, 15,074.94 and 9,551.32 is: 13,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.08 : 15,074.94 = 9,551.32 : x
  2. Step 2: Convert to fraction form
    10,949.08/15,074.94 = 9,551.32/x
  3. Step 3: Cross multiply
    10,949.08x = 15,074.94 × 9,551.32
  4. Step 4: Simplify right side
    10,949.08x = 143,985,575.92
  5. Step 5: Solve for x
    x = 143,985,575.92/10,949.08
  6. Step 6: Final answer
    x = 13,150.47

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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.