Home / 19,213.32-28,827.66-6,902.28

Finding the Fourth Proportional to 19,213.32, 28,827.66 and 6,902.28

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Solution

The fourth proportional to 19,213.32, 28,827.66 and 6,902.28 is: 10,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.32 : 28,827.66 = 6,902.28 : x
  2. Step 2: Convert to fraction form
    19,213.32/28,827.66 = 6,902.28/x
  3. Step 3: Cross multiply
    19,213.32x = 28,827.66 × 6,902.28
  4. Step 4: Simplify right side
    19,213.32x = 198,976,581.06
  5. Step 5: Solve for x
    x = 198,976,581.06/19,213.32
  6. Step 6: Final answer
    x = 10,356.18

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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.