Home / 11,335.42-15,642.80-6,299.79

Finding the Fourth Proportional to 11,335.42, 15,642.80 and 6,299.79

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Solution

The fourth proportional to 11,335.42, 15,642.80 and 6,299.79 is: 8,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.42 : 15,642.80 = 6,299.79 : x
  2. Step 2: Convert to fraction form
    11,335.42/15,642.80 = 6,299.79/x
  3. Step 3: Cross multiply
    11,335.42x = 15,642.80 × 6,299.79
  4. Step 4: Simplify right side
    11,335.42x = 98,546,288.48
  5. Step 5: Solve for x
    x = 98,546,288.48/11,335.42
  6. Step 6: Final answer
    x = 8,693.66

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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.