Home / 9,396.28-12,977.50-6,406.96

Finding the Fourth Proportional to 9,396.28, 12,977.50 and 6,406.96

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Solution

The fourth proportional to 9,396.28, 12,977.50 and 6,406.96 is: 8,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.28 : 12,977.50 = 6,406.96 : x
  2. Step 2: Convert to fraction form
    9,396.28/12,977.50 = 6,406.96/x
  3. Step 3: Cross multiply
    9,396.28x = 12,977.50 × 6,406.96
  4. Step 4: Simplify right side
    9,396.28x = 83,146,323.40
  5. Step 5: Solve for x
    x = 83,146,323.40/9,396.28
  6. Step 6: Final answer
    x = 8,848.86

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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.