Home / 10,290.14-15,436.12-2,894.66

Finding the Fourth Proportional to 10,290.14, 15,436.12 and 2,894.66

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Solution

The fourth proportional to 10,290.14, 15,436.12 and 2,894.66 is: 4,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.14 : 15,436.12 = 2,894.66 : x
  2. Step 2: Convert to fraction form
    10,290.14/15,436.12 = 2,894.66/x
  3. Step 3: Cross multiply
    10,290.14x = 15,436.12 × 2,894.66
  4. Step 4: Simplify right side
    10,290.14x = 44,682,341.43
  5. Step 5: Solve for x
    x = 44,682,341.43/10,290.14
  6. Step 6: Final answer
    x = 4,342.25

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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.