Home / 10,076.70-15,099.65-6,777.58

Finding the Fourth Proportional to 10,076.70, 15,099.65 and 6,777.58

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Solution

The fourth proportional to 10,076.70, 15,099.65 and 6,777.58 is: 10,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.70 : 15,099.65 = 6,777.58 : x
  2. Step 2: Convert to fraction form
    10,076.70/15,099.65 = 6,777.58/x
  3. Step 3: Cross multiply
    10,076.70x = 15,099.65 × 6,777.58
  4. Step 4: Simplify right side
    10,076.70x = 102,339,085.85
  5. Step 5: Solve for x
    x = 102,339,085.85/10,076.70
  6. Step 6: Final answer
    x = 10,156.01

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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.