Home / 14,454.99-21,682.15-6,663.81

Finding the Fourth Proportional to 14,454.99, 21,682.15 and 6,663.81

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Solution

The fourth proportional to 14,454.99, 21,682.15 and 6,663.81 is: 9,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.99 : 21,682.15 = 6,663.81 : x
  2. Step 2: Convert to fraction form
    14,454.99/21,682.15 = 6,663.81/x
  3. Step 3: Cross multiply
    14,454.99x = 21,682.15 × 6,663.81
  4. Step 4: Simplify right side
    14,454.99x = 144,485,727.99
  5. Step 5: Solve for x
    x = 144,485,727.99/14,454.99
  6. Step 6: Final answer
    x = 9,995.56

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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.