Home / 21,736.08-32,611.12-9,894.08

Finding the Fourth Proportional to 21,736.08, 32,611.12 and 9,894.08

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Solution

The fourth proportional to 21,736.08, 32,611.12 and 9,894.08 is: 14,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.08 : 32,611.12 = 9,894.08 : x
  2. Step 2: Convert to fraction form
    21,736.08/32,611.12 = 9,894.08/x
  3. Step 3: Cross multiply
    21,736.08x = 32,611.12 × 9,894.08
  4. Step 4: Simplify right side
    21,736.08x = 322,657,030.17
  5. Step 5: Solve for x
    x = 322,657,030.17/21,736.08
  6. Step 6: Final answer
    x = 14,844.31

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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.