Home / 12,579.92-18,852-9,266.96

Finding the Fourth Proportional to 12,579.92, 18,852 and 9,266.96

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Solution

The fourth proportional to 12,579.92, 18,852 and 9,266.96 is: 13,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.92 : 18,852 = 9,266.96 : x
  2. Step 2: Convert to fraction form
    12,579.92/18,852 = 9,266.96/x
  3. Step 3: Cross multiply
    12,579.92x = 18,852 × 9,266.96
  4. Step 4: Simplify right side
    12,579.92x = 174,700,729.92
  5. Step 5: Solve for x
    x = 174,700,729.92/12,579.92
  6. Step 6: Final answer
    x = 13,887.27

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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.