Home / 13,241.43-19,864.85-4,476.20

Finding the Fourth Proportional to 13,241.43, 19,864.85 and 4,476.20

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Solution

The fourth proportional to 13,241.43, 19,864.85 and 4,476.20 is: 6,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.43 : 19,864.85 = 4,476.20 : x
  2. Step 2: Convert to fraction form
    13,241.43/19,864.85 = 4,476.20/x
  3. Step 3: Cross multiply
    13,241.43x = 19,864.85 × 4,476.20
  4. Step 4: Simplify right side
    13,241.43x = 88,918,919.86
  5. Step 5: Solve for x
    x = 88,918,919.86/13,241.43
  6. Step 6: Final answer
    x = 6,715.21

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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.