Home / 14,920.74-22,369.82-12,864.96

Finding the Fourth Proportional to 14,920.74, 22,369.82 and 12,864.96

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Solution

The fourth proportional to 14,920.74, 22,369.82 and 12,864.96 is: 19,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.74 : 22,369.82 = 12,864.96 : x
  2. Step 2: Convert to fraction form
    14,920.74/22,369.82 = 12,864.96/x
  3. Step 3: Cross multiply
    14,920.74x = 22,369.82 × 12,864.96
  4. Step 4: Simplify right side
    14,920.74x = 287,786,775.18
  5. Step 5: Solve for x
    x = 287,786,775.18/14,920.74
  6. Step 6: Final answer
    x = 19,287.70

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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.