Home / 9,440.36-14,138.78-7,343.40

Finding the Fourth Proportional to 9,440.36, 14,138.78 and 7,343.40

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Solution

The fourth proportional to 9,440.36, 14,138.78 and 7,343.40 is: 10,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.36 : 14,138.78 = 7,343.40 : x
  2. Step 2: Convert to fraction form
    9,440.36/14,138.78 = 7,343.40/x
  3. Step 3: Cross multiply
    9,440.36x = 14,138.78 × 7,343.40
  4. Step 4: Simplify right side
    9,440.36x = 103,826,717.05
  5. Step 5: Solve for x
    x = 103,826,717.05/9,440.36
  6. Step 6: Final answer
    x = 10,998.17

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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.