Home / 13,069.36-18,036.04-7,100.96

Finding the Fourth Proportional to 13,069.36, 18,036.04 and 7,100.96

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Solution

The fourth proportional to 13,069.36, 18,036.04 and 7,100.96 is: 9,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.36 : 18,036.04 = 7,100.96 : x
  2. Step 2: Convert to fraction form
    13,069.36/18,036.04 = 7,100.96/x
  3. Step 3: Cross multiply
    13,069.36x = 18,036.04 × 7,100.96
  4. Step 4: Simplify right side
    13,069.36x = 128,073,198.60
  5. Step 5: Solve for x
    x = 128,073,198.60/13,069.36
  6. Step 6: Final answer
    x = 9,799.50

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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.