Home / 16,039.46-22,140.60-14,357.90

Finding the Fourth Proportional to 16,039.46, 22,140.60 and 14,357.90

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Solution

The fourth proportional to 16,039.46, 22,140.60 and 14,357.90 is: 19,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.46 : 22,140.60 = 14,357.90 : x
  2. Step 2: Convert to fraction form
    16,039.46/22,140.60 = 14,357.90/x
  3. Step 3: Cross multiply
    16,039.46x = 22,140.60 × 14,357.90
  4. Step 4: Simplify right side
    16,039.46x = 317,892,520.74
  5. Step 5: Solve for x
    x = 317,892,520.74/16,039.46
  6. Step 6: Final answer
    x = 19,819.40

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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.