Home / 13,448.32-18,554.40-8,141.44

Finding the Fourth Proportional to 13,448.32, 18,554.40 and 8,141.44

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Solution

The fourth proportional to 13,448.32, 18,554.40 and 8,141.44 is: 11,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.32 : 18,554.40 = 8,141.44 : x
  2. Step 2: Convert to fraction form
    13,448.32/18,554.40 = 8,141.44/x
  3. Step 3: Cross multiply
    13,448.32x = 18,554.40 × 8,141.44
  4. Step 4: Simplify right side
    13,448.32x = 151,059,534.34
  5. Step 5: Solve for x
    x = 151,059,534.34/13,448.32
  6. Step 6: Final answer
    x = 11,232.60

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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.