Home / 10,494.06-15,741.14-3,920.19

Finding the Fourth Proportional to 10,494.06, 15,741.14 and 3,920.19

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Solution

The fourth proportional to 10,494.06, 15,741.14 and 3,920.19 is: 5,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,494.06 : 15,741.14 = 3,920.19 : x
  2. Step 2: Convert to fraction form
    10,494.06/15,741.14 = 3,920.19/x
  3. Step 3: Cross multiply
    10,494.06x = 15,741.14 × 3,920.19
  4. Step 4: Simplify right side
    10,494.06x = 61,708,259.62
  5. Step 5: Solve for x
    x = 61,708,259.62/10,494.06
  6. Step 6: Final answer
    x = 5,880.30

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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.