Home / 14,206.60-21,309.87-3,818.35

Finding the Fourth Proportional to 14,206.60, 21,309.87 and 3,818.35

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Solution

The fourth proportional to 14,206.60, 21,309.87 and 3,818.35 is: 5,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.60 : 21,309.87 = 3,818.35 : x
  2. Step 2: Convert to fraction form
    14,206.60/21,309.87 = 3,818.35/x
  3. Step 3: Cross multiply
    14,206.60x = 21,309.87 × 3,818.35
  4. Step 4: Simplify right side
    14,206.60x = 81,368,542.11
  5. Step 5: Solve for x
    x = 81,368,542.11/14,206.60
  6. Step 6: Final answer
    x = 5,727.52

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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.