Home / 13,087.36-19,633.20-6,158.08

Finding the Fourth Proportional to 13,087.36, 19,633.20 and 6,158.08

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Solution

The fourth proportional to 13,087.36, 19,633.20 and 6,158.08 is: 9,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.36 : 19,633.20 = 6,158.08 : x
  2. Step 2: Convert to fraction form
    13,087.36/19,633.20 = 6,158.08/x
  3. Step 3: Cross multiply
    13,087.36x = 19,633.20 × 6,158.08
  4. Step 4: Simplify right side
    13,087.36x = 120,902,816.26
  5. Step 5: Solve for x
    x = 120,902,816.26/13,087.36
  6. Step 6: Final answer
    x = 9,238.14

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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.