Home / 12,464.19-18,704.40-6,624.90

Finding the Fourth Proportional to 12,464.19, 18,704.40 and 6,624.90

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Solution

The fourth proportional to 12,464.19, 18,704.40 and 6,624.90 is: 9,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.19 : 18,704.40 = 6,624.90 : x
  2. Step 2: Convert to fraction form
    12,464.19/18,704.40 = 6,624.90/x
  3. Step 3: Cross multiply
    12,464.19x = 18,704.40 × 6,624.90
  4. Step 4: Simplify right side
    12,464.19x = 123,914,779.56
  5. Step 5: Solve for x
    x = 123,914,779.56/12,464.19
  6. Step 6: Final answer
    x = 9,941.66

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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.