Home / 10,639.29-15,965.55-4,066.14

Finding the Fourth Proportional to 10,639.29, 15,965.55 and 4,066.14

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Solution

The fourth proportional to 10,639.29, 15,965.55 and 4,066.14 is: 6,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.29 : 15,965.55 = 4,066.14 : x
  2. Step 2: Convert to fraction form
    10,639.29/15,965.55 = 4,066.14/x
  3. Step 3: Cross multiply
    10,639.29x = 15,965.55 × 4,066.14
  4. Step 4: Simplify right side
    10,639.29x = 64,918,161.48
  5. Step 5: Solve for x
    x = 64,918,161.48/10,639.29
  6. Step 6: Final answer
    x = 6,101.74

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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.