Home / 13,465.82-20,216.63-11,504.06

Finding the Fourth Proportional to 13,465.82, 20,216.63 and 11,504.06

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Solution

The fourth proportional to 13,465.82, 20,216.63 and 11,504.06 is: 17,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.82 : 20,216.63 = 11,504.06 : x
  2. Step 2: Convert to fraction form
    13,465.82/20,216.63 = 11,504.06/x
  3. Step 3: Cross multiply
    13,465.82x = 20,216.63 × 11,504.06
  4. Step 4: Simplify right side
    13,465.82x = 232,573,165.91
  5. Step 5: Solve for x
    x = 232,573,165.91/13,465.82
  6. Step 6: Final answer
    x = 17,271.37

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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.