Home / 14,108.68-21,159.66-5,347.72

Finding the Fourth Proportional to 14,108.68, 21,159.66 and 5,347.72

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Solution

The fourth proportional to 14,108.68, 21,159.66 and 5,347.72 is: 8,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.68 : 21,159.66 = 5,347.72 : x
  2. Step 2: Convert to fraction form
    14,108.68/21,159.66 = 5,347.72/x
  3. Step 3: Cross multiply
    14,108.68x = 21,159.66 × 5,347.72
  4. Step 4: Simplify right side
    14,108.68x = 113,155,936.98
  5. Step 5: Solve for x
    x = 113,155,936.98/14,108.68
  6. Step 6: Final answer
    x = 8,020.31

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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.