Home / 13,966.96-20,922.14-6,459.86

Finding the Fourth Proportional to 13,966.96, 20,922.14 and 6,459.86

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Solution

The fourth proportional to 13,966.96, 20,922.14 and 6,459.86 is: 9,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.96 : 20,922.14 = 6,459.86 : x
  2. Step 2: Convert to fraction form
    13,966.96/20,922.14 = 6,459.86/x
  3. Step 3: Cross multiply
    13,966.96x = 20,922.14 × 6,459.86
  4. Step 4: Simplify right side
    13,966.96x = 135,154,095.30
  5. Step 5: Solve for x
    x = 135,154,095.30/13,966.96
  6. Step 6: Final answer
    x = 9,676.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.