Home / 11,063.40-15,215.18-8,798.64

Finding the Fourth Proportional to 11,063.40, 15,215.18 and 8,798.64

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Solution

The fourth proportional to 11,063.40, 15,215.18 and 8,798.64 is: 12,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.40 : 15,215.18 = 8,798.64 : x
  2. Step 2: Convert to fraction form
    11,063.40/15,215.18 = 8,798.64/x
  3. Step 3: Cross multiply
    11,063.40x = 15,215.18 × 8,798.64
  4. Step 4: Simplify right side
    11,063.40x = 133,872,891.36
  5. Step 5: Solve for x
    x = 133,872,891.36/11,063.40
  6. Step 6: Final answer
    x = 12,100.52

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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.