Home / 14,663.52-20,233.89-8,289.27

Finding the Fourth Proportional to 14,663.52, 20,233.89 and 8,289.27

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Solution

The fourth proportional to 14,663.52, 20,233.89 and 8,289.27 is: 11,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.52 : 20,233.89 = 8,289.27 : x
  2. Step 2: Convert to fraction form
    14,663.52/20,233.89 = 8,289.27/x
  3. Step 3: Cross multiply
    14,663.52x = 20,233.89 × 8,289.27
  4. Step 4: Simplify right side
    14,663.52x = 167,724,177.36
  5. Step 5: Solve for x
    x = 167,724,177.36/14,663.52
  6. Step 6: Final answer
    x = 11,438.19

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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.