Home / 14,004.80-21,011.28-4,144.32

Finding the Fourth Proportional to 14,004.80, 21,011.28 and 4,144.32

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Solution

The fourth proportional to 14,004.80, 21,011.28 and 4,144.32 is: 6,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.80 : 21,011.28 = 4,144.32 : x
  2. Step 2: Convert to fraction form
    14,004.80/21,011.28 = 4,144.32/x
  3. Step 3: Cross multiply
    14,004.80x = 21,011.28 × 4,144.32
  4. Step 4: Simplify right side
    14,004.80x = 87,077,467.93
  5. Step 5: Solve for x
    x = 87,077,467.93/14,004.80
  6. Step 6: Final answer
    x = 6,217.69

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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.