Home / 10,270.70-15,386.12-6,750.04

Finding the Fourth Proportional to 10,270.70, 15,386.12 and 6,750.04

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Solution

The fourth proportional to 10,270.70, 15,386.12 and 6,750.04 is: 10,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.70 : 15,386.12 = 6,750.04 : x
  2. Step 2: Convert to fraction form
    10,270.70/15,386.12 = 6,750.04/x
  3. Step 3: Cross multiply
    10,270.70x = 15,386.12 × 6,750.04
  4. Step 4: Simplify right side
    10,270.70x = 103,856,925.44
  5. Step 5: Solve for x
    x = 103,856,925.44/10,270.70
  6. Step 6: Final answer
    x = 10,111.96

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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.