Home / 14,905.26-20,587.46-11,145.13

Finding the Fourth Proportional to 14,905.26, 20,587.46 and 11,145.13

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Solution

The fourth proportional to 14,905.26, 20,587.46 and 11,145.13 is: 15,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.26 : 20,587.46 = 11,145.13 : x
  2. Step 2: Convert to fraction form
    14,905.26/20,587.46 = 11,145.13/x
  3. Step 3: Cross multiply
    14,905.26x = 20,587.46 × 11,145.13
  4. Step 4: Simplify right side
    14,905.26x = 229,449,810.88
  5. Step 5: Solve for x
    x = 229,449,810.88/14,905.26
  6. Step 6: Final answer
    x = 15,393.88

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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.