Home / 17,289.47-23,871.15-13,057.62

Finding the Fourth Proportional to 17,289.47, 23,871.15 and 13,057.62

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Solution

The fourth proportional to 17,289.47, 23,871.15 and 13,057.62 is: 18,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.47 : 23,871.15 = 13,057.62 : x
  2. Step 2: Convert to fraction form
    17,289.47/23,871.15 = 13,057.62/x
  3. Step 3: Cross multiply
    17,289.47x = 23,871.15 × 13,057.62
  4. Step 4: Simplify right side
    17,289.47x = 311,700,405.66
  5. Step 5: Solve for x
    x = 311,700,405.66/17,289.47
  6. Step 6: Final answer
    x = 18,028.34

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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.