Home / 19,162.17-26,421.18-13,115.33

Finding the Fourth Proportional to 19,162.17, 26,421.18 and 13,115.33

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Solution

The fourth proportional to 19,162.17, 26,421.18 and 13,115.33 is: 18,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.17 : 26,421.18 = 13,115.33 : x
  2. Step 2: Convert to fraction form
    19,162.17/26,421.18 = 13,115.33/x
  3. Step 3: Cross multiply
    19,162.17x = 26,421.18 × 13,115.33
  4. Step 4: Simplify right side
    19,162.17x = 346,522,494.69
  5. Step 5: Solve for x
    x = 346,522,494.69/19,162.17
  6. Step 6: Final answer
    x = 18,083.68

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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.