Home / 10,903.56-15,046.34-6,189.36

Finding the Fourth Proportional to 10,903.56, 15,046.34 and 6,189.36

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Solution

The fourth proportional to 10,903.56, 15,046.34 and 6,189.36 is: 8,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.56 : 15,046.34 = 6,189.36 : x
  2. Step 2: Convert to fraction form
    10,903.56/15,046.34 = 6,189.36/x
  3. Step 3: Cross multiply
    10,903.56x = 15,046.34 × 6,189.36
  4. Step 4: Simplify right side
    10,903.56x = 93,127,214.94
  5. Step 5: Solve for x
    x = 93,127,214.94/10,903.56
  6. Step 6: Final answer
    x = 8,540.99

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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.