Home / 19,045.66-28,574.34-8,524.55

Finding the Fourth Proportional to 19,045.66, 28,574.34 and 8,524.55

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Solution

The fourth proportional to 19,045.66, 28,574.34 and 8,524.55 is: 12,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.66 : 28,574.34 = 8,524.55 : x
  2. Step 2: Convert to fraction form
    19,045.66/28,574.34 = 8,524.55/x
  3. Step 3: Cross multiply
    19,045.66x = 28,574.34 × 8,524.55
  4. Step 4: Simplify right side
    19,045.66x = 243,583,390.05
  5. Step 5: Solve for x
    x = 243,583,390.05/19,045.66
  6. Step 6: Final answer
    x = 12,789.44

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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.