Home / 13,396.40-20,097.97-4,036.22

Finding the Fourth Proportional to 13,396.40, 20,097.97 and 4,036.22

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Solution

The fourth proportional to 13,396.40, 20,097.97 and 4,036.22 is: 6,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.40 : 20,097.97 = 4,036.22 : x
  2. Step 2: Convert to fraction form
    13,396.40/20,097.97 = 4,036.22/x
  3. Step 3: Cross multiply
    13,396.40x = 20,097.97 × 4,036.22
  4. Step 4: Simplify right side
    13,396.40x = 81,119,808.29
  5. Step 5: Solve for x
    x = 81,119,808.29/13,396.40
  6. Step 6: Final answer
    x = 6,055.34

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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.