Home / 11,369.79-17,066.32-9,389.11

Finding the Fourth Proportional to 11,369.79, 17,066.32 and 9,389.11

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Solution

The fourth proportional to 11,369.79, 17,066.32 and 9,389.11 is: 14,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.79 : 17,066.32 = 9,389.11 : x
  2. Step 2: Convert to fraction form
    11,369.79/17,066.32 = 9,389.11/x
  3. Step 3: Cross multiply
    11,369.79x = 17,066.32 × 9,389.11
  4. Step 4: Simplify right side
    11,369.79x = 160,237,423.50
  5. Step 5: Solve for x
    x = 160,237,423.50/11,369.79
  6. Step 6: Final answer
    x = 14,093.27

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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.