Home / 11,346.66-15,647.22-10,690.56

Finding the Fourth Proportional to 11,346.66, 15,647.22 and 10,690.56

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Solution

The fourth proportional to 11,346.66, 15,647.22 and 10,690.56 is: 14,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.66 : 15,647.22 = 10,690.56 : x
  2. Step 2: Convert to fraction form
    11,346.66/15,647.22 = 10,690.56/x
  3. Step 3: Cross multiply
    11,346.66x = 15,647.22 × 10,690.56
  4. Step 4: Simplify right side
    11,346.66x = 167,277,544.24
  5. Step 5: Solve for x
    x = 167,277,544.24/11,346.66
  6. Step 6: Final answer
    x = 14,742.45

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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.