Home / 11,106.88-15,333.60-7,575.28

Finding the Fourth Proportional to 11,106.88, 15,333.60 and 7,575.28

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Solution

The fourth proportional to 11,106.88, 15,333.60 and 7,575.28 is: 10,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.88 : 15,333.60 = 7,575.28 : x
  2. Step 2: Convert to fraction form
    11,106.88/15,333.60 = 7,575.28/x
  3. Step 3: Cross multiply
    11,106.88x = 15,333.60 × 7,575.28
  4. Step 4: Simplify right side
    11,106.88x = 116,156,313.41
  5. Step 5: Solve for x
    x = 116,156,313.41/11,106.88
  6. Step 6: Final answer
    x = 10,458.05

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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.