Home / 19,389.84-29,087.48-6,906.16

Finding the Fourth Proportional to 19,389.84, 29,087.48 and 6,906.16

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Solution

The fourth proportional to 19,389.84, 29,087.48 and 6,906.16 is: 10,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.84 : 29,087.48 = 6,906.16 : x
  2. Step 2: Convert to fraction form
    19,389.84/29,087.48 = 6,906.16/x
  3. Step 3: Cross multiply
    19,389.84x = 29,087.48 × 6,906.16
  4. Step 4: Simplify right side
    19,389.84x = 200,882,880.86
  5. Step 5: Solve for x
    x = 200,882,880.86/19,389.84
  6. Step 6: Final answer
    x = 10,360.22

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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.