Home / 19,462.39-26,860.08-11,913.71

Finding the Fourth Proportional to 19,462.39, 26,860.08 and 11,913.71

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Solution

The fourth proportional to 19,462.39, 26,860.08 and 11,913.71 is: 16,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.39 : 26,860.08 = 11,913.71 : x
  2. Step 2: Convert to fraction form
    19,462.39/26,860.08 = 11,913.71/x
  3. Step 3: Cross multiply
    19,462.39x = 26,860.08 × 11,913.71
  4. Step 4: Simplify right side
    19,462.39x = 320,003,170.12
  5. Step 5: Solve for x
    x = 320,003,170.12/19,462.39
  6. Step 6: Final answer
    x = 16,442.13

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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.