Home / 11,339.21-15,648.25-6,303.75

Finding the Fourth Proportional to 11,339.21, 15,648.25 and 6,303.75

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Solution

The fourth proportional to 11,339.21, 15,648.25 and 6,303.75 is: 8,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.21 : 15,648.25 = 6,303.75 : x
  2. Step 2: Convert to fraction form
    11,339.21/15,648.25 = 6,303.75/x
  3. Step 3: Cross multiply
    11,339.21x = 15,648.25 × 6,303.75
  4. Step 4: Simplify right side
    11,339.21x = 98,642,655.94
  5. Step 5: Solve for x
    x = 98,642,655.94/11,339.21
  6. Step 6: Final answer
    x = 8,699.25

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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.