Home / 14,448.80-21,675.48-6,128.84

Finding the Fourth Proportional to 14,448.80, 21,675.48 and 6,128.84

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Solution

The fourth proportional to 14,448.80, 21,675.48 and 6,128.84 is: 9,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.80 : 21,675.48 = 6,128.84 : x
  2. Step 2: Convert to fraction form
    14,448.80/21,675.48 = 6,128.84/x
  3. Step 3: Cross multiply
    14,448.80x = 21,675.48 × 6,128.84
  4. Step 4: Simplify right side
    14,448.80x = 132,845,548.84
  5. Step 5: Solve for x
    x = 132,845,548.84/14,448.80
  6. Step 6: Final answer
    x = 9,194.23

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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.