Home / 19,290.06-28,937.61-6,807.15

Finding the Fourth Proportional to 19,290.06, 28,937.61 and 6,807.15

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Solution

The fourth proportional to 19,290.06, 28,937.61 and 6,807.15 is: 10,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.06 : 28,937.61 = 6,807.15 : x
  2. Step 2: Convert to fraction form
    19,290.06/28,937.61 = 6,807.15/x
  3. Step 3: Cross multiply
    19,290.06x = 28,937.61 × 6,807.15
  4. Step 4: Simplify right side
    19,290.06x = 196,982,651.91
  5. Step 5: Solve for x
    x = 196,982,651.91/19,290.06
  6. Step 6: Final answer
    x = 10,211.61

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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.