Home / 14,137.28-21,200.52-6,736.08

Finding the Fourth Proportional to 14,137.28, 21,200.52 and 6,736.08

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Solution

The fourth proportional to 14,137.28, 21,200.52 and 6,736.08 is: 10,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.28 : 21,200.52 = 6,736.08 : x
  2. Step 2: Convert to fraction form
    14,137.28/21,200.52 = 6,736.08/x
  3. Step 3: Cross multiply
    14,137.28x = 21,200.52 × 6,736.08
  4. Step 4: Simplify right side
    14,137.28x = 142,808,398.76
  5. Step 5: Solve for x
    x = 142,808,398.76/14,137.28
  6. Step 6: Final answer
    x = 10,101.55

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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.