Home / 10,014.36-15,019.92-3,440.76

Finding the Fourth Proportional to 10,014.36, 15,019.92 and 3,440.76

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Solution

The fourth proportional to 10,014.36, 15,019.92 and 3,440.76 is: 5,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.36 : 15,019.92 = 3,440.76 : x
  2. Step 2: Convert to fraction form
    10,014.36/15,019.92 = 3,440.76/x
  3. Step 3: Cross multiply
    10,014.36x = 15,019.92 × 3,440.76
  4. Step 4: Simplify right side
    10,014.36x = 51,679,939.94
  5. Step 5: Solve for x
    x = 51,679,939.94/10,014.36
  6. Step 6: Final answer
    x = 5,160.58

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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.