Home / 18,237.42-27,357.35-6,389.82

Finding the Fourth Proportional to 18,237.42, 27,357.35 and 6,389.82

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Solution

The fourth proportional to 18,237.42, 27,357.35 and 6,389.82 is: 9,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.42 : 27,357.35 = 6,389.82 : x
  2. Step 2: Convert to fraction form
    18,237.42/27,357.35 = 6,389.82/x
  3. Step 3: Cross multiply
    18,237.42x = 27,357.35 × 6,389.82
  4. Step 4: Simplify right side
    18,237.42x = 174,808,510.23
  5. Step 5: Solve for x
    x = 174,808,510.23/18,237.42
  6. Step 6: Final answer
    x = 9,585.16

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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.