Home / 10,320.11-14,241.81-5,604.39

Finding the Fourth Proportional to 10,320.11, 14,241.81 and 5,604.39

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Solution

The fourth proportional to 10,320.11, 14,241.81 and 5,604.39 is: 7,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.11 : 14,241.81 = 5,604.39 : x
  2. Step 2: Convert to fraction form
    10,320.11/14,241.81 = 5,604.39/x
  3. Step 3: Cross multiply
    10,320.11x = 14,241.81 × 5,604.39
  4. Step 4: Simplify right side
    10,320.11x = 79,816,657.55
  5. Step 5: Solve for x
    x = 79,816,657.55/10,320.11
  6. Step 6: Final answer
    x = 7,734.09

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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.