Home / 14,109.35-21,164.21-9,725.63

Finding the Fourth Proportional to 14,109.35, 21,164.21 and 9,725.63

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Solution

The fourth proportional to 14,109.35, 21,164.21 and 9,725.63 is: 14,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.35 : 21,164.21 = 9,725.63 : x
  2. Step 2: Convert to fraction form
    14,109.35/21,164.21 = 9,725.63/x
  3. Step 3: Cross multiply
    14,109.35x = 21,164.21 × 9,725.63
  4. Step 4: Simplify right side
    14,109.35x = 205,835,227.07
  5. Step 5: Solve for x
    x = 205,835,227.07/14,109.35
  6. Step 6: Final answer
    x = 14,588.57

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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.