Home / 22,241.63-30,693.47-12,810.21

Finding the Fourth Proportional to 22,241.63, 30,693.47 and 12,810.21

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Solution

The fourth proportional to 22,241.63, 30,693.47 and 12,810.21 is: 17,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.63 : 30,693.47 = 12,810.21 : x
  2. Step 2: Convert to fraction form
    22,241.63/30,693.47 = 12,810.21/x
  3. Step 3: Cross multiply
    22,241.63x = 30,693.47 × 12,810.21
  4. Step 4: Simplify right side
    22,241.63x = 393,189,732.28
  5. Step 5: Solve for x
    x = 393,189,732.28/22,241.63
  6. Step 6: Final answer
    x = 17,678.10

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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.