Home / 12,144.06-16,758.23-6,838.74

Finding the Fourth Proportional to 12,144.06, 16,758.23 and 6,838.74

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Solution

The fourth proportional to 12,144.06, 16,758.23 and 6,838.74 is: 9,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.06 : 16,758.23 = 6,838.74 : x
  2. Step 2: Convert to fraction form
    12,144.06/16,758.23 = 6,838.74/x
  3. Step 3: Cross multiply
    12,144.06x = 16,758.23 × 6,838.74
  4. Step 4: Simplify right side
    12,144.06x = 114,605,143.64
  5. Step 5: Solve for x
    x = 114,605,143.64/12,144.06
  6. Step 6: Final answer
    x = 9,437.14

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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.