Home / 14,624.64-21,899.76-9,679.44

Finding the Fourth Proportional to 14,624.64, 21,899.76 and 9,679.44

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Solution

The fourth proportional to 14,624.64, 21,899.76 and 9,679.44 is: 14,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.64 : 21,899.76 = 9,679.44 : x
  2. Step 2: Convert to fraction form
    14,624.64/21,899.76 = 9,679.44/x
  3. Step 3: Cross multiply
    14,624.64x = 21,899.76 × 9,679.44
  4. Step 4: Simplify right side
    14,624.64x = 211,977,412.93
  5. Step 5: Solve for x
    x = 211,977,412.93/14,624.64
  6. Step 6: Final answer
    x = 14,494.54

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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.