Home / 20,366.46-28,100.44-12,293.74

Finding the Fourth Proportional to 20,366.46, 28,100.44 and 12,293.74

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Solution

The fourth proportional to 20,366.46, 28,100.44 and 12,293.74 is: 16,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.46 : 28,100.44 = 12,293.74 : x
  2. Step 2: Convert to fraction form
    20,366.46/28,100.44 = 12,293.74/x
  3. Step 3: Cross multiply
    20,366.46x = 28,100.44 × 12,293.74
  4. Step 4: Simplify right side
    20,366.46x = 345,459,395.67
  5. Step 5: Solve for x
    x = 345,459,395.67/20,366.46
  6. Step 6: Final answer
    x = 16,962.17

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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.