Home / 13,997.16-19,352.68-13,377.51

Finding the Fourth Proportional to 13,997.16, 19,352.68 and 13,377.51

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Solution

The fourth proportional to 13,997.16, 19,352.68 and 13,377.51 is: 18,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.16 : 19,352.68 = 13,377.51 : x
  2. Step 2: Convert to fraction form
    13,997.16/19,352.68 = 13,377.51/x
  3. Step 3: Cross multiply
    13,997.16x = 19,352.68 × 13,377.51
  4. Step 4: Simplify right side
    13,997.16x = 258,890,636.78
  5. Step 5: Solve for x
    x = 258,890,636.78/13,997.16
  6. Step 6: Final answer
    x = 18,495.94

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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.