Home / 18,389.70-27,559.53-9,606.42

Finding the Fourth Proportional to 18,389.70, 27,559.53 and 9,606.42

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Solution

The fourth proportional to 18,389.70, 27,559.53 and 9,606.42 is: 14,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.70 : 27,559.53 = 9,606.42 : x
  2. Step 2: Convert to fraction form
    18,389.70/27,559.53 = 9,606.42/x
  3. Step 3: Cross multiply
    18,389.70x = 27,559.53 × 9,606.42
  4. Step 4: Simplify right side
    18,389.70x = 264,748,420.18
  5. Step 5: Solve for x
    x = 264,748,420.18/18,389.70
  6. Step 6: Final answer
    x = 14,396.56

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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.