Home / 10,513.74-15,770.55-3,494.28

Finding the Fourth Proportional to 10,513.74, 15,770.55 and 3,494.28

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Solution

The fourth proportional to 10,513.74, 15,770.55 and 3,494.28 is: 5,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.74 : 15,770.55 = 3,494.28 : x
  2. Step 2: Convert to fraction form
    10,513.74/15,770.55 = 3,494.28/x
  3. Step 3: Cross multiply
    10,513.74x = 15,770.55 × 3,494.28
  4. Step 4: Simplify right side
    10,513.74x = 55,106,717.45
  5. Step 5: Solve for x
    x = 55,106,717.45/10,513.74
  6. Step 6: Final answer
    x = 5,241.40

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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.