Home / 13,529.22-20,272.89-9,377.34

Finding the Fourth Proportional to 13,529.22, 20,272.89 and 9,377.34

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Solution

The fourth proportional to 13,529.22, 20,272.89 and 9,377.34 is: 14,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.22 : 20,272.89 = 9,377.34 : x
  2. Step 2: Convert to fraction form
    13,529.22/20,272.89 = 9,377.34/x
  3. Step 3: Cross multiply
    13,529.22x = 20,272.89 × 9,377.34
  4. Step 4: Simplify right side
    13,529.22x = 190,105,782.31
  5. Step 5: Solve for x
    x = 190,105,782.31/13,529.22
  6. Step 6: Final answer
    x = 14,051.50

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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.