Home / 15,521.97-23,263.84-7,190.71

Finding the Fourth Proportional to 15,521.97, 23,263.84 and 7,190.71

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Solution

The fourth proportional to 15,521.97, 23,263.84 and 7,190.71 is: 10,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.97 : 23,263.84 = 7,190.71 : x
  2. Step 2: Convert to fraction form
    15,521.97/23,263.84 = 7,190.71/x
  3. Step 3: Cross multiply
    15,521.97x = 23,263.84 × 7,190.71
  4. Step 4: Simplify right side
    15,521.97x = 167,283,526.93
  5. Step 5: Solve for x
    x = 167,283,526.93/15,521.97
  6. Step 6: Final answer
    x = 10,777.21

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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.