Home / 15,554.05-23,311.63-12,254.11

Finding the Fourth Proportional to 15,554.05, 23,311.63 and 12,254.11

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Solution

The fourth proportional to 15,554.05, 23,311.63 and 12,254.11 is: 18,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.05 : 23,311.63 = 12,254.11 : x
  2. Step 2: Convert to fraction form
    15,554.05/23,311.63 = 12,254.11/x
  3. Step 3: Cross multiply
    15,554.05x = 23,311.63 × 12,254.11
  4. Step 4: Simplify right side
    15,554.05x = 285,663,278.30
  5. Step 5: Solve for x
    x = 285,663,278.30/15,554.05
  6. Step 6: Final answer
    x = 18,365.85

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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.