Home / 10,821.99-14,934.42-6,345.83

Finding the Fourth Proportional to 10,821.99, 14,934.42 and 6,345.83

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Solution

The fourth proportional to 10,821.99, 14,934.42 and 6,345.83 is: 8,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.99 : 14,934.42 = 6,345.83 : x
  2. Step 2: Convert to fraction form
    10,821.99/14,934.42 = 6,345.83/x
  3. Step 3: Cross multiply
    10,821.99x = 14,934.42 × 6,345.83
  4. Step 4: Simplify right side
    10,821.99x = 94,771,215.80
  5. Step 5: Solve for x
    x = 94,771,215.80/10,821.99
  6. Step 6: Final answer
    x = 8,757.28

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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.