Home / 19,344.98-26,701.75-12,631.61

Finding the Fourth Proportional to 19,344.98, 26,701.75 and 12,631.61

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Solution

The fourth proportional to 19,344.98, 26,701.75 and 12,631.61 is: 17,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.98 : 26,701.75 = 12,631.61 : x
  2. Step 2: Convert to fraction form
    19,344.98/26,701.75 = 12,631.61/x
  3. Step 3: Cross multiply
    19,344.98x = 26,701.75 × 12,631.61
  4. Step 4: Simplify right side
    19,344.98x = 337,286,027.36
  5. Step 5: Solve for x
    x = 337,286,027.36/19,344.98
  6. Step 6: Final answer
    x = 17,435.33

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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.