Home / 12,892.32-19,364.40-11,265.84

Finding the Fourth Proportional to 12,892.32, 19,364.40 and 11,265.84

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Solution

The fourth proportional to 12,892.32, 19,364.40 and 11,265.84 is: 16,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.32 : 19,364.40 = 11,265.84 : x
  2. Step 2: Convert to fraction form
    12,892.32/19,364.40 = 11,265.84/x
  3. Step 3: Cross multiply
    12,892.32x = 19,364.40 × 11,265.84
  4. Step 4: Simplify right side
    12,892.32x = 218,156,232.10
  5. Step 5: Solve for x
    x = 218,156,232.10/12,892.32
  6. Step 6: Final answer
    x = 16,921.41

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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.