Home / 15,208.66-20,835.51-14,640.09

Finding the Fourth Proportional to 15,208.66, 20,835.51 and 14,640.09

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Solution

The fourth proportional to 15,208.66, 20,835.51 and 14,640.09 is: 20,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.66 : 20,835.51 = 14,640.09 : x
  2. Step 2: Convert to fraction form
    15,208.66/20,835.51 = 14,640.09/x
  3. Step 3: Cross multiply
    15,208.66x = 20,835.51 × 14,640.09
  4. Step 4: Simplify right side
    15,208.66x = 305,033,757.08
  5. Step 5: Solve for x
    x = 305,033,757.08/15,208.66
  6. Step 6: Final answer
    x = 20,056.59

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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.