Home / 11,398.32-15,733.44-6,682.50

Finding the Fourth Proportional to 11,398.32, 15,733.44 and 6,682.50

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Solution

The fourth proportional to 11,398.32, 15,733.44 and 6,682.50 is: 9,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.32 : 15,733.44 = 6,682.50 : x
  2. Step 2: Convert to fraction form
    11,398.32/15,733.44 = 6,682.50/x
  3. Step 3: Cross multiply
    11,398.32x = 15,733.44 × 6,682.50
  4. Step 4: Simplify right side
    11,398.32x = 105,138,712.80
  5. Step 5: Solve for x
    x = 105,138,712.80/11,398.32
  6. Step 6: Final answer
    x = 9,224.05

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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.