Home / 19,087.11-28,603.04-13,157.91

Finding the Fourth Proportional to 19,087.11, 28,603.04 and 13,157.91

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Solution

The fourth proportional to 19,087.11, 28,603.04 and 13,157.91 is: 19,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.11 : 28,603.04 = 13,157.91 : x
  2. Step 2: Convert to fraction form
    19,087.11/28,603.04 = 13,157.91/x
  3. Step 3: Cross multiply
    19,087.11x = 28,603.04 × 13,157.91
  4. Step 4: Simplify right side
    19,087.11x = 376,356,160.26
  5. Step 5: Solve for x
    x = 376,356,160.26/19,087.11
  6. Step 6: Final answer
    x = 19,717.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.