Home / 9,021.15-13,529.41-4,272.63

Finding the Fourth Proportional to 9,021.15, 13,529.41 and 4,272.63

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Solution

The fourth proportional to 9,021.15, 13,529.41 and 4,272.63 is: 6,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.15 : 13,529.41 = 4,272.63 : x
  2. Step 2: Convert to fraction form
    9,021.15/13,529.41 = 4,272.63/x
  3. Step 3: Cross multiply
    9,021.15x = 13,529.41 × 4,272.63
  4. Step 4: Simplify right side
    9,021.15x = 57,806,101.63
  5. Step 5: Solve for x
    x = 57,806,101.63/9,021.15
  6. Step 6: Final answer
    x = 6,407.84

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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.