Home / 14,208.24-21,312.36-3,820.26

Finding the Fourth Proportional to 14,208.24, 21,312.36 and 3,820.26

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Solution

The fourth proportional to 14,208.24, 21,312.36 and 3,820.26 is: 5,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.24 : 21,312.36 = 3,820.26 : x
  2. Step 2: Convert to fraction form
    14,208.24/21,312.36 = 3,820.26/x
  3. Step 3: Cross multiply
    14,208.24x = 21,312.36 × 3,820.26
  4. Step 4: Simplify right side
    14,208.24x = 81,418,756.41
  5. Step 5: Solve for x
    x = 81,418,756.41/14,208.24
  6. Step 6: Final answer
    x = 5,730.39

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Similar ratio
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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.