Home / 12,570.35-18,861.66-8,896.19

Finding the Fourth Proportional to 12,570.35, 18,861.66 and 8,896.19

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Solution

The fourth proportional to 12,570.35, 18,861.66 and 8,896.19 is: 13,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.35 : 18,861.66 = 8,896.19 : x
  2. Step 2: Convert to fraction form
    12,570.35/18,861.66 = 8,896.19/x
  3. Step 3: Cross multiply
    12,570.35x = 18,861.66 × 8,896.19
  4. Step 4: Simplify right side
    12,570.35x = 167,796,816.77
  5. Step 5: Solve for x
    x = 167,796,816.77/12,570.35
  6. Step 6: Final answer
    x = 13,348.62

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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.