Home / 19,170.05-26,452.78-11,210.72

Finding the Fourth Proportional to 19,170.05, 26,452.78 and 11,210.72

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Solution

The fourth proportional to 19,170.05, 26,452.78 and 11,210.72 is: 15,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.05 : 26,452.78 = 11,210.72 : x
  2. Step 2: Convert to fraction form
    19,170.05/26,452.78 = 11,210.72/x
  3. Step 3: Cross multiply
    19,170.05x = 26,452.78 × 11,210.72
  4. Step 4: Simplify right side
    19,170.05x = 296,554,549.51
  5. Step 5: Solve for x
    x = 296,554,549.51/19,170.05
  6. Step 6: Final answer
    x = 15,469.68

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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.