Home / 21,556.54-32,321.44-9,070.17

Finding the Fourth Proportional to 21,556.54, 32,321.44 and 9,070.17

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Solution

The fourth proportional to 21,556.54, 32,321.44 and 9,070.17 is: 13,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.54 : 32,321.44 = 9,070.17 : x
  2. Step 2: Convert to fraction form
    21,556.54/32,321.44 = 9,070.17/x
  3. Step 3: Cross multiply
    21,556.54x = 32,321.44 × 9,070.17
  4. Step 4: Simplify right side
    21,556.54x = 293,160,955.44
  5. Step 5: Solve for x
    x = 293,160,955.44/21,556.54
  6. Step 6: Final answer
    x = 13,599.63

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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.