Home / 14,366.84-19,821.62-8,699.78

Finding the Fourth Proportional to 14,366.84, 19,821.62 and 8,699.78

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Solution

The fourth proportional to 14,366.84, 19,821.62 and 8,699.78 is: 12,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.84 : 19,821.62 = 8,699.78 : x
  2. Step 2: Convert to fraction form
    14,366.84/19,821.62 = 8,699.78/x
  3. Step 3: Cross multiply
    14,366.84x = 19,821.62 × 8,699.78
  4. Step 4: Simplify right side
    14,366.84x = 172,443,655.88
  5. Step 5: Solve for x
    x = 172,443,655.88/14,366.84
  6. Step 6: Final answer
    x = 12,002.89

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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.