Home / 14,215.04-21,322.56-4,354.28

Finding the Fourth Proportional to 14,215.04, 21,322.56 and 4,354.28

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Solution

The fourth proportional to 14,215.04, 21,322.56 and 4,354.28 is: 6,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.04 : 21,322.56 = 4,354.28 : x
  2. Step 2: Convert to fraction form
    14,215.04/21,322.56 = 4,354.28/x
  3. Step 3: Cross multiply
    14,215.04x = 21,322.56 × 4,354.28
  4. Step 4: Simplify right side
    14,215.04x = 92,844,396.56
  5. Step 5: Solve for x
    x = 92,844,396.56/14,215.04
  6. Step 6: Final answer
    x = 6,531.42

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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.