Home / 21,632.14-29,845.36-12,070.48

Finding the Fourth Proportional to 21,632.14, 29,845.36 and 12,070.48

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Solution

The fourth proportional to 21,632.14, 29,845.36 and 12,070.48 is: 16,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.14 : 29,845.36 = 12,070.48 : x
  2. Step 2: Convert to fraction form
    21,632.14/29,845.36 = 12,070.48/x
  3. Step 3: Cross multiply
    21,632.14x = 29,845.36 × 12,070.48
  4. Step 4: Simplify right side
    21,632.14x = 360,247,820.97
  5. Step 5: Solve for x
    x = 360,247,820.97/21,632.14
  6. Step 6: Final answer
    x = 16,653.36

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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.