Home / 14,688.76-20,299.62-12,031.96

Finding the Fourth Proportional to 14,688.76, 20,299.62 and 12,031.96

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Solution

The fourth proportional to 14,688.76, 20,299.62 and 12,031.96 is: 16,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.76 : 20,299.62 = 12,031.96 : x
  2. Step 2: Convert to fraction form
    14,688.76/20,299.62 = 12,031.96/x
  3. Step 3: Cross multiply
    14,688.76x = 20,299.62 × 12,031.96
  4. Step 4: Simplify right side
    14,688.76x = 244,244,215.86
  5. Step 5: Solve for x
    x = 244,244,215.86/14,688.76
  6. Step 6: Final answer
    x = 16,627.97

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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.