Home / 14,546.36-20,079.82-9,515.04

Finding the Fourth Proportional to 14,546.36, 20,079.82 and 9,515.04

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Solution

The fourth proportional to 14,546.36, 20,079.82 and 9,515.04 is: 13,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.36 : 20,079.82 = 9,515.04 : x
  2. Step 2: Convert to fraction form
    14,546.36/20,079.82 = 9,515.04/x
  3. Step 3: Cross multiply
    14,546.36x = 20,079.82 × 9,515.04
  4. Step 4: Simplify right side
    14,546.36x = 191,060,290.49
  5. Step 5: Solve for x
    x = 191,060,290.49/14,546.36
  6. Step 6: Final answer
    x = 13,134.58

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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.