Home / 10,901.45-15,043.56-6,425.39

Finding the Fourth Proportional to 10,901.45, 15,043.56 and 6,425.39

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Solution

The fourth proportional to 10,901.45, 15,043.56 and 6,425.39 is: 8,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.45 : 15,043.56 = 6,425.39 : x
  2. Step 2: Convert to fraction form
    10,901.45/15,043.56 = 6,425.39/x
  3. Step 3: Cross multiply
    10,901.45x = 15,043.56 × 6,425.39
  4. Step 4: Simplify right side
    10,901.45x = 96,660,664.77
  5. Step 5: Solve for x
    x = 96,660,664.77/10,901.45
  6. Step 6: Final answer
    x = 8,866.78

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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.