Home / 19,617.91-27,078.65-13,333.93

Finding the Fourth Proportional to 19,617.91, 27,078.65 and 13,333.93

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Solution

The fourth proportional to 19,617.91, 27,078.65 and 13,333.93 is: 18,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.91 : 27,078.65 = 13,333.93 : x
  2. Step 2: Convert to fraction form
    19,617.91/27,078.65 = 13,333.93/x
  3. Step 3: Cross multiply
    19,617.91x = 27,078.65 × 13,333.93
  4. Step 4: Simplify right side
    19,617.91x = 361,064,756.92
  5. Step 5: Solve for x
    x = 361,064,756.92/19,617.91
  6. Step 6: Final answer
    x = 18,404.85

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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.