Home / 11,869.40-17,798.70-6,321.32

Finding the Fourth Proportional to 11,869.40, 17,798.70 and 6,321.32

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Solution

The fourth proportional to 11,869.40, 17,798.70 and 6,321.32 is: 9,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.40 : 17,798.70 = 6,321.32 : x
  2. Step 2: Convert to fraction form
    11,869.40/17,798.70 = 6,321.32/x
  3. Step 3: Cross multiply
    11,869.40x = 17,798.70 × 6,321.32
  4. Step 4: Simplify right side
    11,869.40x = 112,511,278.28
  5. Step 5: Solve for x
    x = 112,511,278.28/11,869.40
  6. Step 6: Final answer
    x = 9,479.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.