Home / 11,726.32-16,183.93-7,191.71

Finding the Fourth Proportional to 11,726.32, 16,183.93 and 7,191.71

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Solution

The fourth proportional to 11,726.32, 16,183.93 and 7,191.71 is: 9,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.32 : 16,183.93 = 7,191.71 : x
  2. Step 2: Convert to fraction form
    11,726.32/16,183.93 = 7,191.71/x
  3. Step 3: Cross multiply
    11,726.32x = 16,183.93 × 7,191.71
  4. Step 4: Simplify right side
    11,726.32x = 116,390,131.22
  5. Step 5: Solve for x
    x = 116,390,131.22/11,726.32
  6. Step 6: Final answer
    x = 9,925.55

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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.