Home / 18,397.08-27,510.84-13,662.18

Finding the Fourth Proportional to 18,397.08, 27,510.84 and 13,662.18

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Solution

The fourth proportional to 18,397.08, 27,510.84 and 13,662.18 is: 20,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.08 : 27,510.84 = 13,662.18 : x
  2. Step 2: Convert to fraction form
    18,397.08/27,510.84 = 13,662.18/x
  3. Step 3: Cross multiply
    18,397.08x = 27,510.84 × 13,662.18
  4. Step 4: Simplify right side
    18,397.08x = 375,858,048.03
  5. Step 5: Solve for x
    x = 375,858,048.03/18,397.08
  6. Step 6: Final answer
    x = 20,430.31

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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.