Home / 15,250.32-20,887.74-14,353.65

Finding the Fourth Proportional to 15,250.32, 20,887.74 and 14,353.65

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Solution

The fourth proportional to 15,250.32, 20,887.74 and 14,353.65 is: 19,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.32 : 20,887.74 = 14,353.65 : x
  2. Step 2: Convert to fraction form
    15,250.32/20,887.74 = 14,353.65/x
  3. Step 3: Cross multiply
    15,250.32x = 20,887.74 × 14,353.65
  4. Step 4: Simplify right side
    15,250.32x = 299,815,309.25
  5. Step 5: Solve for x
    x = 299,815,309.25/15,250.32
  6. Step 6: Final answer
    x = 19,659.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.