Home / 10,028.61-15,044.67-4,189.32

Finding the Fourth Proportional to 10,028.61, 15,044.67 and 4,189.32

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Solution

The fourth proportional to 10,028.61, 15,044.67 and 4,189.32 is: 6,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.61 : 15,044.67 = 4,189.32 : x
  2. Step 2: Convert to fraction form
    10,028.61/15,044.67 = 4,189.32/x
  3. Step 3: Cross multiply
    10,028.61x = 15,044.67 × 4,189.32
  4. Step 4: Simplify right side
    10,028.61x = 63,026,936.92
  5. Step 5: Solve for x
    x = 63,026,936.92/10,028.61
  6. Step 6: Final answer
    x = 6,284.71

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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.