Home / 19,214.28-28,830.30-7,364.15

Finding the Fourth Proportional to 19,214.28, 28,830.30 and 7,364.15

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Solution

The fourth proportional to 19,214.28, 28,830.30 and 7,364.15 is: 11,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.28 : 28,830.30 = 7,364.15 : x
  2. Step 2: Convert to fraction form
    19,214.28/28,830.30 = 7,364.15/x
  3. Step 3: Cross multiply
    19,214.28x = 28,830.30 × 7,364.15
  4. Step 4: Simplify right side
    19,214.28x = 212,310,727.25
  5. Step 5: Solve for x
    x = 212,310,727.25/19,214.28
  6. Step 6: Final answer
    x = 11,049.63

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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.