Home / 15,029.94-20,719.32-10,540.14

Finding the Fourth Proportional to 15,029.94, 20,719.32 and 10,540.14

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Solution

The fourth proportional to 15,029.94, 20,719.32 and 10,540.14 is: 14,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.94 : 20,719.32 = 10,540.14 : x
  2. Step 2: Convert to fraction form
    15,029.94/20,719.32 = 10,540.14/x
  3. Step 3: Cross multiply
    15,029.94x = 20,719.32 × 10,540.14
  4. Step 4: Simplify right side
    15,029.94x = 218,384,533.50
  5. Step 5: Solve for x
    x = 218,384,533.50/15,029.94
  6. Step 6: Final answer
    x = 14,529.97

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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.