Home / 15,069.12-20,795.01-8,695.73

Finding the Fourth Proportional to 15,069.12, 20,795.01 and 8,695.73

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Solution

The fourth proportional to 15,069.12, 20,795.01 and 8,695.73 is: 11,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.12 : 20,795.01 = 8,695.73 : x
  2. Step 2: Convert to fraction form
    15,069.12/20,795.01 = 8,695.73/x
  3. Step 3: Cross multiply
    15,069.12x = 20,795.01 × 8,695.73
  4. Step 4: Simplify right side
    15,069.12x = 180,827,688.33
  5. Step 5: Solve for x
    x = 180,827,688.33/15,069.12
  6. Step 6: Final answer
    x = 11,999.88

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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.