Home / 14,231.81-19,639.58-8,263.32

Finding the Fourth Proportional to 14,231.81, 19,639.58 and 8,263.32

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Solution

The fourth proportional to 14,231.81, 19,639.58 and 8,263.32 is: 11,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.81 : 19,639.58 = 8,263.32 : x
  2. Step 2: Convert to fraction form
    14,231.81/19,639.58 = 8,263.32/x
  3. Step 3: Cross multiply
    14,231.81x = 19,639.58 × 8,263.32
  4. Step 4: Simplify right side
    14,231.81x = 162,288,092.89
  5. Step 5: Solve for x
    x = 162,288,092.89/14,231.81
  6. Step 6: Final answer
    x = 11,403.20

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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.