Home / 21,907.26-32,852.36-7,112.60

Finding the Fourth Proportional to 21,907.26, 32,852.36 and 7,112.60

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Solution

The fourth proportional to 21,907.26, 32,852.36 and 7,112.60 is: 10,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.26 : 32,852.36 = 7,112.60 : x
  2. Step 2: Convert to fraction form
    21,907.26/32,852.36 = 7,112.60/x
  3. Step 3: Cross multiply
    21,907.26x = 32,852.36 × 7,112.60
  4. Step 4: Simplify right side
    21,907.26x = 233,665,695.74
  5. Step 5: Solve for x
    x = 233,665,695.74/21,907.26
  6. Step 6: Final answer
    x = 10,666.13

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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.