Home / 18,964.48-26,172.58-11,006.19

Finding the Fourth Proportional to 18,964.48, 26,172.58 and 11,006.19

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Solution

The fourth proportional to 18,964.48, 26,172.58 and 11,006.19 is: 15,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.48 : 26,172.58 = 11,006.19 : x
  2. Step 2: Convert to fraction form
    18,964.48/26,172.58 = 11,006.19/x
  3. Step 3: Cross multiply
    18,964.48x = 26,172.58 × 11,006.19
  4. Step 4: Simplify right side
    18,964.48x = 288,060,433.67
  5. Step 5: Solve for x
    x = 288,060,433.67/18,964.48
  6. Step 6: Final answer
    x = 15,189.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.