Home / 14,333.45-19,780.16-8,045.82

Finding the Fourth Proportional to 14,333.45, 19,780.16 and 8,045.82

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Solution

The fourth proportional to 14,333.45, 19,780.16 and 8,045.82 is: 11,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333.45 : 19,780.16 = 8,045.82 : x
  2. Step 2: Convert to fraction form
    14,333.45/19,780.16 = 8,045.82/x
  3. Step 3: Cross multiply
    14,333.45x = 19,780.16 × 8,045.82
  4. Step 4: Simplify right side
    14,333.45x = 159,147,566.70
  5. Step 5: Solve for x
    x = 159,147,566.70/14,333.45
  6. Step 6: Final answer
    x = 11,103.23

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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.