Home / 12,150.38-16,767.52-6,561.38

Finding the Fourth Proportional to 12,150.38, 16,767.52 and 6,561.38

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Solution

The fourth proportional to 12,150.38, 16,767.52 and 6,561.38 is: 9,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.38 : 16,767.52 = 6,561.38 : x
  2. Step 2: Convert to fraction form
    12,150.38/16,767.52 = 6,561.38/x
  3. Step 3: Cross multiply
    12,150.38x = 16,767.52 × 6,561.38
  4. Step 4: Simplify right side
    12,150.38x = 110,017,970.14
  5. Step 5: Solve for x
    x = 110,017,970.14/12,150.38
  6. Step 6: Final answer
    x = 9,054.70

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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.