Home / 11,339.70-15,649.25-6,303.89

Finding the Fourth Proportional to 11,339.70, 15,649.25 and 6,303.89

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Solution

The fourth proportional to 11,339.70, 15,649.25 and 6,303.89 is: 8,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.70 : 15,649.25 = 6,303.89 : x
  2. Step 2: Convert to fraction form
    11,339.70/15,649.25 = 6,303.89/x
  3. Step 3: Cross multiply
    11,339.70x = 15,649.25 × 6,303.89
  4. Step 4: Simplify right side
    11,339.70x = 98,651,040.82
  5. Step 5: Solve for x
    x = 98,651,040.82/11,339.70
  6. Step 6: Final answer
    x = 8,699.62

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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.