Home / 14,220.24-21,330.84-4,358.64

Finding the Fourth Proportional to 14,220.24, 21,330.84 and 4,358.64

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Solution

The fourth proportional to 14,220.24, 21,330.84 and 4,358.64 is: 6,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.24 : 21,330.84 = 4,358.64 : x
  2. Step 2: Convert to fraction form
    14,220.24/21,330.84 = 4,358.64/x
  3. Step 3: Cross multiply
    14,220.24x = 21,330.84 × 4,358.64
  4. Step 4: Simplify right side
    14,220.24x = 92,973,452.46
  5. Step 5: Solve for x
    x = 92,973,452.46/14,220.24
  6. Step 6: Final answer
    x = 6,538.11

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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.