Home / 14,293.20-19,725.66-8,629.35

Finding the Fourth Proportional to 14,293.20, 19,725.66 and 8,629.35

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Solution

The fourth proportional to 14,293.20, 19,725.66 and 8,629.35 is: 11,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.20 : 19,725.66 = 8,629.35 : x
  2. Step 2: Convert to fraction form
    14,293.20/19,725.66 = 8,629.35/x
  3. Step 3: Cross multiply
    14,293.20x = 19,725.66 × 8,629.35
  4. Step 4: Simplify right side
    14,293.20x = 170,219,624.12
  5. Step 5: Solve for x
    x = 170,219,624.12/14,293.20
  6. Step 6: Final answer
    x = 11,909.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.