Home / 15,170.04-22,760.40-7,777.98

Finding the Fourth Proportional to 15,170.04, 22,760.40 and 7,777.98

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Solution

The fourth proportional to 15,170.04, 22,760.40 and 7,777.98 is: 11,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.04 : 22,760.40 = 7,777.98 : x
  2. Step 2: Convert to fraction form
    15,170.04/22,760.40 = 7,777.98/x
  3. Step 3: Cross multiply
    15,170.04x = 22,760.40 × 7,777.98
  4. Step 4: Simplify right side
    15,170.04x = 177,029,935.99
  5. Step 5: Solve for x
    x = 177,029,935.99/15,170.04
  6. Step 6: Final answer
    x = 11,669.71

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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.