Home / 18,988.26-26,203.87-10,604.76

Finding the Fourth Proportional to 18,988.26, 26,203.87 and 10,604.76

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Solution

The fourth proportional to 18,988.26, 26,203.87 and 10,604.76 is: 14,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.26 : 26,203.87 = 10,604.76 : x
  2. Step 2: Convert to fraction form
    18,988.26/26,203.87 = 10,604.76/x
  3. Step 3: Cross multiply
    18,988.26x = 26,203.87 × 10,604.76
  4. Step 4: Simplify right side
    18,988.26x = 277,885,752.42
  5. Step 5: Solve for x
    x = 277,885,752.42/18,988.26
  6. Step 6: Final answer
    x = 14,634.61

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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.