Home / 14,115.43-19,479.16-7,741.89

Finding the Fourth Proportional to 14,115.43, 19,479.16 and 7,741.89

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Solution

The fourth proportional to 14,115.43, 19,479.16 and 7,741.89 is: 10,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.43 : 19,479.16 = 7,741.89 : x
  2. Step 2: Convert to fraction form
    14,115.43/19,479.16 = 7,741.89/x
  3. Step 3: Cross multiply
    14,115.43x = 19,479.16 × 7,741.89
  4. Step 4: Simplify right side
    14,115.43x = 150,805,639.93
  5. Step 5: Solve for x
    x = 150,805,639.93/14,115.43
  6. Step 6: Final answer
    x = 10,683.74

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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.