Home / 15,458.42-23,156.84-11,521.82

Finding the Fourth Proportional to 15,458.42, 23,156.84 and 11,521.82

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Solution

The fourth proportional to 15,458.42, 23,156.84 and 11,521.82 is: 17,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.42 : 23,156.84 = 11,521.82 : x
  2. Step 2: Convert to fraction form
    15,458.42/23,156.84 = 11,521.82/x
  3. Step 3: Cross multiply
    15,458.42x = 23,156.84 × 11,521.82
  4. Step 4: Simplify right side
    15,458.42x = 266,808,942.25
  5. Step 5: Solve for x
    x = 266,808,942.25/15,458.42
  6. Step 6: Final answer
    x = 17,259.78

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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.