Home / 10,072.76-15,100.50-3,913.40

Finding the Fourth Proportional to 10,072.76, 15,100.50 and 3,913.40

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Solution

The fourth proportional to 10,072.76, 15,100.50 and 3,913.40 is: 5,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.76 : 15,100.50 = 3,913.40 : x
  2. Step 2: Convert to fraction form
    10,072.76/15,100.50 = 3,913.40/x
  3. Step 3: Cross multiply
    10,072.76x = 15,100.50 × 3,913.40
  4. Step 4: Simplify right side
    10,072.76x = 59,094,296.70
  5. Step 5: Solve for x
    x = 59,094,296.70/10,072.76
  6. Step 6: Final answer
    x = 5,866.74

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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.