Home / 11,341.93-15,649.44-6,864.79

Finding the Fourth Proportional to 11,341.93, 15,649.44 and 6,864.79

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Solution

The fourth proportional to 11,341.93, 15,649.44 and 6,864.79 is: 9,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.93 : 15,649.44 = 6,864.79 : x
  2. Step 2: Convert to fraction form
    11,341.93/15,649.44 = 6,864.79/x
  3. Step 3: Cross multiply
    11,341.93x = 15,649.44 × 6,864.79
  4. Step 4: Simplify right side
    11,341.93x = 107,430,119.22
  5. Step 5: Solve for x
    x = 107,430,119.22/11,341.93
  6. Step 6: Final answer
    x = 9,471.94

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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.