Home / 19,244.40-28,860.60-7,561.20

Finding the Fourth Proportional to 19,244.40, 28,860.60 and 7,561.20

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Solution

The fourth proportional to 19,244.40, 28,860.60 and 7,561.20 is: 11,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.40 : 28,860.60 = 7,561.20 : x
  2. Step 2: Convert to fraction form
    19,244.40/28,860.60 = 7,561.20/x
  3. Step 3: Cross multiply
    19,244.40x = 28,860.60 × 7,561.20
  4. Step 4: Simplify right side
    19,244.40x = 218,220,768.72
  5. Step 5: Solve for x
    x = 218,220,768.72/19,244.40
  6. Step 6: Final answer
    x = 11,339.44

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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.