Home / 10,685.41-16,028.57-2,894.22

Finding the Fourth Proportional to 10,685.41, 16,028.57 and 2,894.22

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Solution

The fourth proportional to 10,685.41, 16,028.57 and 2,894.22 is: 4,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.41 : 16,028.57 = 2,894.22 : x
  2. Step 2: Convert to fraction form
    10,685.41/16,028.57 = 2,894.22/x
  3. Step 3: Cross multiply
    10,685.41x = 16,028.57 × 2,894.22
  4. Step 4: Simplify right side
    10,685.41x = 46,390,207.87
  5. Step 5: Solve for x
    x = 46,390,207.87/10,685.41
  6. Step 6: Final answer
    x = 4,341.45

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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.