Home / 14,448.21-21,675.64-6,128.55

Finding the Fourth Proportional to 14,448.21, 21,675.64 and 6,128.55

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Solution

The fourth proportional to 14,448.21, 21,675.64 and 6,128.55 is: 9,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.21 : 21,675.64 = 6,128.55 : x
  2. Step 2: Convert to fraction form
    14,448.21/21,675.64 = 6,128.55/x
  3. Step 3: Cross multiply
    14,448.21x = 21,675.64 × 6,128.55
  4. Step 4: Simplify right side
    14,448.21x = 132,840,251.18
  5. Step 5: Solve for x
    x = 132,840,251.18/14,448.21
  6. Step 6: Final answer
    x = 9,194.24

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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.