Home / 14,196.96-21,280.14-6,785.66

Finding the Fourth Proportional to 14,196.96, 21,280.14 and 6,785.66

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Solution

The fourth proportional to 14,196.96, 21,280.14 and 6,785.66 is: 10,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.96 : 21,280.14 = 6,785.66 : x
  2. Step 2: Convert to fraction form
    14,196.96/21,280.14 = 6,785.66/x
  3. Step 3: Cross multiply
    14,196.96x = 21,280.14 × 6,785.66
  4. Step 4: Simplify right side
    14,196.96x = 144,399,688.39
  5. Step 5: Solve for x
    x = 144,399,688.39/14,196.96
  6. Step 6: Final answer
    x = 10,171.17

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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.