Home / 13,515.93-20,261.59-6,116.36

Finding the Fourth Proportional to 13,515.93, 20,261.59 and 6,116.36

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Solution

The fourth proportional to 13,515.93, 20,261.59 and 6,116.36 is: 9,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.93 : 20,261.59 = 6,116.36 : x
  2. Step 2: Convert to fraction form
    13,515.93/20,261.59 = 6,116.36/x
  3. Step 3: Cross multiply
    13,515.93x = 20,261.59 × 6,116.36
  4. Step 4: Simplify right side
    13,515.93x = 123,927,062.01
  5. Step 5: Solve for x
    x = 123,927,062.01/13,515.93
  6. Step 6: Final answer
    x = 9,168.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.