Home / 14,203.45-21,305.08-4,342.69

Finding the Fourth Proportional to 14,203.45, 21,305.08 and 4,342.69

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Solution

The fourth proportional to 14,203.45, 21,305.08 and 4,342.69 is: 6,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.45 : 21,305.08 = 4,342.69 : x
  2. Step 2: Convert to fraction form
    14,203.45/21,305.08 = 4,342.69/x
  3. Step 3: Cross multiply
    14,203.45x = 21,305.08 × 4,342.69
  4. Step 4: Simplify right side
    14,203.45x = 92,521,357.87
  5. Step 5: Solve for x
    x = 92,521,357.87/14,203.45
  6. Step 6: Final answer
    x = 6,514.01

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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.