Home / 14,137.29-21,200.13-5,253.21

Finding the Fourth Proportional to 14,137.29, 21,200.13 and 5,253.21

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Solution

The fourth proportional to 14,137.29, 21,200.13 and 5,253.21 is: 7,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.29 : 21,200.13 = 5,253.21 : x
  2. Step 2: Convert to fraction form
    14,137.29/21,200.13 = 5,253.21/x
  3. Step 3: Cross multiply
    14,137.29x = 21,200.13 × 5,253.21
  4. Step 4: Simplify right side
    14,137.29x = 111,368,734.92
  5. Step 5: Solve for x
    x = 111,368,734.92/14,137.29
  6. Step 6: Final answer
    x = 7,877.66

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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.