Home / 12,246.72-16,908.56-10,918.11

Finding the Fourth Proportional to 12,246.72, 16,908.56 and 10,918.11

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Solution

The fourth proportional to 12,246.72, 16,908.56 and 10,918.11 is: 15,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.72 : 16,908.56 = 10,918.11 : x
  2. Step 2: Convert to fraction form
    12,246.72/16,908.56 = 10,918.11/x
  3. Step 3: Cross multiply
    12,246.72x = 16,908.56 × 10,918.11
  4. Step 4: Simplify right side
    12,246.72x = 184,609,629.20
  5. Step 5: Solve for x
    x = 184,609,629.20/12,246.72
  6. Step 6: Final answer
    x = 15,074.21

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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.