Home / 19,000.26-28,500.78-6,520.22

Finding the Fourth Proportional to 19,000.26, 28,500.78 and 6,520.22

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Solution

The fourth proportional to 19,000.26, 28,500.78 and 6,520.22 is: 9,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.26 : 28,500.78 = 6,520.22 : x
  2. Step 2: Convert to fraction form
    19,000.26/28,500.78 = 6,520.22/x
  3. Step 3: Cross multiply
    19,000.26x = 28,500.78 × 6,520.22
  4. Step 4: Simplify right side
    19,000.26x = 185,831,355.77
  5. Step 5: Solve for x
    x = 185,831,355.77/19,000.26
  6. Step 6: Final answer
    x = 9,780.46

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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.