Home / 10,204.48-15,309.76-7,087.68

Finding the Fourth Proportional to 10,204.48, 15,309.76 and 7,087.68

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Solution

The fourth proportional to 10,204.48, 15,309.76 and 7,087.68 is: 10,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.48 : 15,309.76 = 7,087.68 : x
  2. Step 2: Convert to fraction form
    10,204.48/15,309.76 = 7,087.68/x
  3. Step 3: Cross multiply
    10,204.48x = 15,309.76 × 7,087.68
  4. Step 4: Simplify right side
    10,204.48x = 108,510,679.76
  5. Step 5: Solve for x
    x = 108,510,679.76/10,204.48
  6. Step 6: Final answer
    x = 10,633.63

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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.