Home / 20,160.51-30,252.91-7,022.10

Finding the Fourth Proportional to 20,160.51, 30,252.91 and 7,022.10

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Solution

The fourth proportional to 20,160.51, 30,252.91 and 7,022.10 is: 10,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.51 : 30,252.91 = 7,022.10 : x
  2. Step 2: Convert to fraction form
    20,160.51/30,252.91 = 7,022.10/x
  3. Step 3: Cross multiply
    20,160.51x = 30,252.91 × 7,022.10
  4. Step 4: Simplify right side
    20,160.51x = 212,438,959.31
  5. Step 5: Solve for x
    x = 212,438,959.31/20,160.51
  6. Step 6: Final answer
    x = 10,537.38

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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.