Home / 17,015.90-23,426.43-13,424.36

Finding the Fourth Proportional to 17,015.90, 23,426.43 and 13,424.36

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Solution

The fourth proportional to 17,015.90, 23,426.43 and 13,424.36 is: 18,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.90 : 23,426.43 = 13,424.36 : x
  2. Step 2: Convert to fraction form
    17,015.90/23,426.43 = 13,424.36/x
  3. Step 3: Cross multiply
    17,015.90x = 23,426.43 × 13,424.36
  4. Step 4: Simplify right side
    17,015.90x = 314,484,829.83
  5. Step 5: Solve for x
    x = 314,484,829.83/17,015.90
  6. Step 6: Final answer
    x = 18,481.82

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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.