Home / 14,439.03-19,926.32-8,151.81

Finding the Fourth Proportional to 14,439.03, 19,926.32 and 8,151.81

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Solution

The fourth proportional to 14,439.03, 19,926.32 and 8,151.81 is: 11,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.03 : 19,926.32 = 8,151.81 : x
  2. Step 2: Convert to fraction form
    14,439.03/19,926.32 = 8,151.81/x
  3. Step 3: Cross multiply
    14,439.03x = 19,926.32 × 8,151.81
  4. Step 4: Simplify right side
    14,439.03x = 162,435,533.88
  5. Step 5: Solve for x
    x = 162,435,533.88/14,439.03
  6. Step 6: Final answer
    x = 11,249.75

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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.