Home / 11,705.93-16,154.47-6,401.15

Finding the Fourth Proportional to 11,705.93, 16,154.47 and 6,401.15

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Solution

The fourth proportional to 11,705.93, 16,154.47 and 6,401.15 is: 8,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.93 : 16,154.47 = 6,401.15 : x
  2. Step 2: Convert to fraction form
    11,705.93/16,154.47 = 6,401.15/x
  3. Step 3: Cross multiply
    11,705.93x = 16,154.47 × 6,401.15
  4. Step 4: Simplify right side
    11,705.93x = 103,407,185.64
  5. Step 5: Solve for x
    x = 103,407,185.64/11,705.93
  6. Step 6: Final answer
    x = 8,833.74

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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.