Home / 14,665.91-20,233.66-9,632.86

Finding the Fourth Proportional to 14,665.91, 20,233.66 and 9,632.86

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Solution

The fourth proportional to 14,665.91, 20,233.66 and 9,632.86 is: 13,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.91 : 20,233.66 = 9,632.86 : x
  2. Step 2: Convert to fraction form
    14,665.91/20,233.66 = 9,632.86/x
  3. Step 3: Cross multiply
    14,665.91x = 20,233.66 × 9,632.86
  4. Step 4: Simplify right side
    14,665.91x = 194,908,014.07
  5. Step 5: Solve for x
    x = 194,908,014.07/14,665.91
  6. Step 6: Final answer
    x = 13,289.87

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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.