Home / 19,274.07-28,915.36-8,190.24

Finding the Fourth Proportional to 19,274.07, 28,915.36 and 8,190.24

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Solution

The fourth proportional to 19,274.07, 28,915.36 and 8,190.24 is: 12,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.07 : 28,915.36 = 8,190.24 : x
  2. Step 2: Convert to fraction form
    19,274.07/28,915.36 = 8,190.24/x
  3. Step 3: Cross multiply
    19,274.07x = 28,915.36 × 8,190.24
  4. Step 4: Simplify right side
    19,274.07x = 236,823,593.51
  5. Step 5: Solve for x
    x = 236,823,593.51/19,274.07
  6. Step 6: Final answer
    x = 12,287.16

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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.