Home / 14,296.28-19,728.78-8,008.68

Finding the Fourth Proportional to 14,296.28, 19,728.78 and 8,008.68

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Solution

The fourth proportional to 14,296.28, 19,728.78 and 8,008.68 is: 11,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.28 : 19,728.78 = 8,008.68 : x
  2. Step 2: Convert to fraction form
    14,296.28/19,728.78 = 8,008.68/x
  3. Step 3: Cross multiply
    14,296.28x = 19,728.78 × 8,008.68
  4. Step 4: Simplify right side
    14,296.28x = 158,001,485.81
  5. Step 5: Solve for x
    x = 158,001,485.81/14,296.28
  6. Step 6: Final answer
    x = 11,051.93

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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.