Home / 15,066.69-20,785.05-9,763.22

Finding the Fourth Proportional to 15,066.69, 20,785.05 and 9,763.22

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Solution

The fourth proportional to 15,066.69, 20,785.05 and 9,763.22 is: 13,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.69 : 20,785.05 = 9,763.22 : x
  2. Step 2: Convert to fraction form
    15,066.69/20,785.05 = 9,763.22/x
  3. Step 3: Cross multiply
    15,066.69x = 20,785.05 × 9,763.22
  4. Step 4: Simplify right side
    15,066.69x = 202,928,911.94
  5. Step 5: Solve for x
    x = 202,928,911.94/15,066.69
  6. Step 6: Final answer
    x = 13,468.71

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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.