Home / 15,071.04-20,795.83-8,356.66

Finding the Fourth Proportional to 15,071.04, 20,795.83 and 8,356.66

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Solution

The fourth proportional to 15,071.04, 20,795.83 and 8,356.66 is: 11,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.04 : 20,795.83 = 8,356.66 : x
  2. Step 2: Convert to fraction form
    15,071.04/20,795.83 = 8,356.66/x
  3. Step 3: Cross multiply
    15,071.04x = 20,795.83 × 8,356.66
  4. Step 4: Simplify right side
    15,071.04x = 173,783,680.73
  5. Step 5: Solve for x
    x = 173,783,680.73/15,071.04
  6. Step 6: Final answer
    x = 11,530.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.