Home / 19,000.62-28,501.34-6,520.55

Finding the Fourth Proportional to 19,000.62, 28,501.34 and 6,520.55

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Solution

The fourth proportional to 19,000.62, 28,501.34 and 6,520.55 is: 9,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.62 : 28,501.34 = 6,520.55 : x
  2. Step 2: Convert to fraction form
    19,000.62/28,501.34 = 6,520.55/x
  3. Step 3: Cross multiply
    19,000.62x = 28,501.34 × 6,520.55
  4. Step 4: Simplify right side
    19,000.62x = 185,844,237.43
  5. Step 5: Solve for x
    x = 185,844,237.43/19,000.62
  6. Step 6: Final answer
    x = 9,780.96

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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.