Home / 14,128.20-21,192.29-5,363.10

Finding the Fourth Proportional to 14,128.20, 21,192.29 and 5,363.10

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Solution

The fourth proportional to 14,128.20, 21,192.29 and 5,363.10 is: 8,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.20 : 21,192.29 = 5,363.10 : x
  2. Step 2: Convert to fraction form
    14,128.20/21,192.29 = 5,363.10/x
  3. Step 3: Cross multiply
    14,128.20x = 21,192.29 × 5,363.10
  4. Step 4: Simplify right side
    14,128.20x = 113,656,343.68
  5. Step 5: Solve for x
    x = 113,656,343.68/14,128.20
  6. Step 6: Final answer
    x = 8,044.64

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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.