Home / 11,340.05-15,649.53-6,304.08

Finding the Fourth Proportional to 11,340.05, 15,649.53 and 6,304.08

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Solution

The fourth proportional to 11,340.05, 15,649.53 and 6,304.08 is: 8,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.05 : 15,649.53 = 6,304.08 : x
  2. Step 2: Convert to fraction form
    11,340.05/15,649.53 = 6,304.08/x
  3. Step 3: Cross multiply
    11,340.05x = 15,649.53 × 6,304.08
  4. Step 4: Simplify right side
    11,340.05x = 98,655,889.08
  5. Step 5: Solve for x
    x = 98,655,889.08/11,340.05
  6. Step 6: Final answer
    x = 8,699.78

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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.