Home / 14,366.72-19,821.45-8,699.65

Finding the Fourth Proportional to 14,366.72, 19,821.45 and 8,699.65

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Solution

The fourth proportional to 14,366.72, 19,821.45 and 8,699.65 is: 12,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.72 : 19,821.45 = 8,699.65 : x
  2. Step 2: Convert to fraction form
    14,366.72/19,821.45 = 8,699.65/x
  3. Step 3: Cross multiply
    14,366.72x = 19,821.45 × 8,699.65
  4. Step 4: Simplify right side
    14,366.72x = 172,439,677.49
  5. Step 5: Solve for x
    x = 172,439,677.49/14,366.72
  6. Step 6: Final answer
    x = 12,002.72

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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.