Home / 19,170.88-28,756.16-7,492.24

Finding the Fourth Proportional to 19,170.88, 28,756.16 and 7,492.24

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Solution

The fourth proportional to 19,170.88, 28,756.16 and 7,492.24 is: 11,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.88 : 28,756.16 = 7,492.24 : x
  2. Step 2: Convert to fraction form
    19,170.88/28,756.16 = 7,492.24/x
  3. Step 3: Cross multiply
    19,170.88x = 28,756.16 × 7,492.24
  4. Step 4: Simplify right side
    19,170.88x = 215,448,052.20
  5. Step 5: Solve for x
    x = 215,448,052.20/19,170.88
  6. Step 6: Final answer
    x = 11,238.30

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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.