Home / 10,176.87-15,232.77-6,638.58

Finding the Fourth Proportional to 10,176.87, 15,232.77 and 6,638.58

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Solution

The fourth proportional to 10,176.87, 15,232.77 and 6,638.58 is: 9,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.87 : 15,232.77 = 6,638.58 : x
  2. Step 2: Convert to fraction form
    10,176.87/15,232.77 = 6,638.58/x
  3. Step 3: Cross multiply
    10,176.87x = 15,232.77 × 6,638.58
  4. Step 4: Simplify right side
    10,176.87x = 101,123,962.27
  5. Step 5: Solve for x
    x = 101,123,962.27/10,176.87
  6. Step 6: Final answer
    x = 9,936.65

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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.