Home / 10,629.53-15,939.06-3,965.76

Finding the Fourth Proportional to 10,629.53, 15,939.06 and 3,965.76

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Solution

The fourth proportional to 10,629.53, 15,939.06 and 3,965.76 is: 5,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.53 : 15,939.06 = 3,965.76 : x
  2. Step 2: Convert to fraction form
    10,629.53/15,939.06 = 3,965.76/x
  3. Step 3: Cross multiply
    10,629.53x = 15,939.06 × 3,965.76
  4. Step 4: Simplify right side
    10,629.53x = 63,210,494.02
  5. Step 5: Solve for x
    x = 63,210,494.02/10,629.53
  6. Step 6: Final answer
    x = 5,946.69

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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.