Home / 14,207.92-19,606.53-8,905.66

Finding the Fourth Proportional to 14,207.92, 19,606.53 and 8,905.66

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Solution

The fourth proportional to 14,207.92, 19,606.53 and 8,905.66 is: 12,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.92 : 19,606.53 = 8,905.66 : x
  2. Step 2: Convert to fraction form
    14,207.92/19,606.53 = 8,905.66/x
  3. Step 3: Cross multiply
    14,207.92x = 19,606.53 × 8,905.66
  4. Step 4: Simplify right side
    14,207.92x = 174,609,089.96
  5. Step 5: Solve for x
    x = 174,609,089.96/14,207.92
  6. Step 6: Final answer
    x = 12,289.56

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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.