Home / 12,971.67-19,457.96-4,206.66

Finding the Fourth Proportional to 12,971.67, 19,457.96 and 4,206.66

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Solution

The fourth proportional to 12,971.67, 19,457.96 and 4,206.66 is: 6,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971.67 : 19,457.96 = 4,206.66 : x
  2. Step 2: Convert to fraction form
    12,971.67/19,457.96 = 4,206.66/x
  3. Step 3: Cross multiply
    12,971.67x = 19,457.96 × 4,206.66
  4. Step 4: Simplify right side
    12,971.67x = 81,853,000.98
  5. Step 5: Solve for x
    x = 81,853,000.98/12,971.67
  6. Step 6: Final answer
    x = 6,310.14

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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.