Home / 18,237.04-27,367.86-7,142.34

Finding the Fourth Proportional to 18,237.04, 27,367.86 and 7,142.34

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Solution

The fourth proportional to 18,237.04, 27,367.86 and 7,142.34 is: 10,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.04 : 27,367.86 = 7,142.34 : x
  2. Step 2: Convert to fraction form
    18,237.04/27,367.86 = 7,142.34/x
  3. Step 3: Cross multiply
    18,237.04x = 27,367.86 × 7,142.34
  4. Step 4: Simplify right side
    18,237.04x = 195,470,561.19
  5. Step 5: Solve for x
    x = 195,470,561.19/18,237.04
  6. Step 6: Final answer
    x = 10,718.33

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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.