Home / 19,304.20-28,956.30-6,838.30

Finding the Fourth Proportional to 19,304.20, 28,956.30 and 6,838.30

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Solution

The fourth proportional to 19,304.20, 28,956.30 and 6,838.30 is: 10,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.20 : 28,956.30 = 6,838.30 : x
  2. Step 2: Convert to fraction form
    19,304.20/28,956.30 = 6,838.30/x
  3. Step 3: Cross multiply
    19,304.20x = 28,956.30 × 6,838.30
  4. Step 4: Simplify right side
    19,304.20x = 198,011,866.29
  5. Step 5: Solve for x
    x = 198,011,866.29/19,304.20
  6. Step 6: Final answer
    x = 10,257.45

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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.