Home / 15,328.28-23,008.82-12,441.44

Finding the Fourth Proportional to 15,328.28, 23,008.82 and 12,441.44

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Solution

The fourth proportional to 15,328.28, 23,008.82 and 12,441.44 is: 18,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.28 : 23,008.82 = 12,441.44 : x
  2. Step 2: Convert to fraction form
    15,328.28/23,008.82 = 12,441.44/x
  3. Step 3: Cross multiply
    15,328.28x = 23,008.82 × 12,441.44
  4. Step 4: Simplify right side
    15,328.28x = 286,262,942.13
  5. Step 5: Solve for x
    x = 286,262,942.13/15,328.28
  6. Step 6: Final answer
    x = 18,675.47

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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.