Home / 18,216.32-25,148.14-13,968.07

Finding the Fourth Proportional to 18,216.32, 25,148.14 and 13,968.07

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Solution

The fourth proportional to 18,216.32, 25,148.14 and 13,968.07 is: 19,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.32 : 25,148.14 = 13,968.07 : x
  2. Step 2: Convert to fraction form
    18,216.32/25,148.14 = 13,968.07/x
  3. Step 3: Cross multiply
    18,216.32x = 25,148.14 × 13,968.07
  4. Step 4: Simplify right side
    18,216.32x = 351,270,882.10
  5. Step 5: Solve for x
    x = 351,270,882.10/18,216.32
  6. Step 6: Final answer
    x = 19,283.31

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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.