Home / 19,255.60-28,880.70-6,109.30

Finding the Fourth Proportional to 19,255.60, 28,880.70 and 6,109.30

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Solution

The fourth proportional to 19,255.60, 28,880.70 and 6,109.30 is: 9,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.60 : 28,880.70 = 6,109.30 : x
  2. Step 2: Convert to fraction form
    19,255.60/28,880.70 = 6,109.30/x
  3. Step 3: Cross multiply
    19,255.60x = 28,880.70 × 6,109.30
  4. Step 4: Simplify right side
    19,255.60x = 176,440,860.51
  5. Step 5: Solve for x
    x = 176,440,860.51/19,255.60
  6. Step 6: Final answer
    x = 9,163.09

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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.