Home / 10,076.76-13,914.45-7,099.20

Finding the Fourth Proportional to 10,076.76, 13,914.45 and 7,099.20

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Solution

The fourth proportional to 10,076.76, 13,914.45 and 7,099.20 is: 9,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.76 : 13,914.45 = 7,099.20 : x
  2. Step 2: Convert to fraction form
    10,076.76/13,914.45 = 7,099.20/x
  3. Step 3: Cross multiply
    10,076.76x = 13,914.45 × 7,099.20
  4. Step 4: Simplify right side
    10,076.76x = 98,781,463.44
  5. Step 5: Solve for x
    x = 98,781,463.44/10,076.76
  6. Step 6: Final answer
    x = 9,802.90

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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.