Home / 13,116.03-19,677.89-4,231.19

Finding the Fourth Proportional to 13,116.03, 19,677.89 and 4,231.19

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Solution

The fourth proportional to 13,116.03, 19,677.89 and 4,231.19 is: 6,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.03 : 19,677.89 = 4,231.19 : x
  2. Step 2: Convert to fraction form
    13,116.03/19,677.89 = 4,231.19/x
  3. Step 3: Cross multiply
    13,116.03x = 19,677.89 × 4,231.19
  4. Step 4: Simplify right side
    13,116.03x = 83,260,935.29
  5. Step 5: Solve for x
    x = 83,260,935.29/13,116.03
  6. Step 6: Final answer
    x = 6,348.03

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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.