Home / 14,744.42-20,344.10-8,774.91

Finding the Fourth Proportional to 14,744.42, 20,344.10 and 8,774.91

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Solution

The fourth proportional to 14,744.42, 20,344.10 and 8,774.91 is: 12,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.42 : 20,344.10 = 8,774.91 : x
  2. Step 2: Convert to fraction form
    14,744.42/20,344.10 = 8,774.91/x
  3. Step 3: Cross multiply
    14,744.42x = 20,344.10 × 8,774.91
  4. Step 4: Simplify right side
    14,744.42x = 178,517,602.66
  5. Step 5: Solve for x
    x = 178,517,602.66/14,744.42
  6. Step 6: Final answer
    x = 12,107.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.