Home / 14,644.70-20,208.40-8,675.36

Finding the Fourth Proportional to 14,644.70, 20,208.40 and 8,675.36

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Solution

The fourth proportional to 14,644.70, 20,208.40 and 8,675.36 is: 11,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.70 : 20,208.40 = 8,675.36 : x
  2. Step 2: Convert to fraction form
    14,644.70/20,208.40 = 8,675.36/x
  3. Step 3: Cross multiply
    14,644.70x = 20,208.40 × 8,675.36
  4. Step 4: Simplify right side
    14,644.70x = 175,315,145.02
  5. Step 5: Solve for x
    x = 175,315,145.02/14,644.70
  6. Step 6: Final answer
    x = 11,971.23

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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.