Home / 10,150.90-15,204.82-6,628.46

Finding the Fourth Proportional to 10,150.90, 15,204.82 and 6,628.46

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Solution

The fourth proportional to 10,150.90, 15,204.82 and 6,628.46 is: 9,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.90 : 15,204.82 = 6,628.46 : x
  2. Step 2: Convert to fraction form
    10,150.90/15,204.82 = 6,628.46/x
  3. Step 3: Cross multiply
    10,150.90x = 15,204.82 × 6,628.46
  4. Step 4: Simplify right side
    10,150.90x = 100,784,541.18
  5. Step 5: Solve for x
    x = 100,784,541.18/10,150.90
  6. Step 6: Final answer
    x = 9,928.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.