Home / 19,423.82-26,795.17-12,262.61

Finding the Fourth Proportional to 19,423.82, 26,795.17 and 12,262.61

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Solution

The fourth proportional to 19,423.82, 26,795.17 and 12,262.61 is: 16,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.82 : 26,795.17 = 12,262.61 : x
  2. Step 2: Convert to fraction form
    19,423.82/26,795.17 = 12,262.61/x
  3. Step 3: Cross multiply
    19,423.82x = 26,795.17 × 12,262.61
  4. Step 4: Simplify right side
    19,423.82x = 328,578,801.91
  5. Step 5: Solve for x
    x = 328,578,801.91/19,423.82
  6. Step 6: Final answer
    x = 16,916.28

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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.