Home / 14,145.24-21,212.08-6,140.52

Finding the Fourth Proportional to 14,145.24, 21,212.08 and 6,140.52

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Solution

The fourth proportional to 14,145.24, 21,212.08 and 6,140.52 is: 9,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.24 : 21,212.08 = 6,140.52 : x
  2. Step 2: Convert to fraction form
    14,145.24/21,212.08 = 6,140.52/x
  3. Step 3: Cross multiply
    14,145.24x = 21,212.08 × 6,140.52
  4. Step 4: Simplify right side
    14,145.24x = 130,253,201.48
  5. Step 5: Solve for x
    x = 130,253,201.48/14,145.24
  6. Step 6: Final answer
    x = 9,208.27

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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.