Home / 19,122.47-28,673.85-8,583.46

Finding the Fourth Proportional to 19,122.47, 28,673.85 and 8,583.46

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Solution

The fourth proportional to 19,122.47, 28,673.85 and 8,583.46 is: 12,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.47 : 28,673.85 = 8,583.46 : x
  2. Step 2: Convert to fraction form
    19,122.47/28,673.85 = 8,583.46/x
  3. Step 3: Cross multiply
    19,122.47x = 28,673.85 × 8,583.46
  4. Step 4: Simplify right side
    19,122.47x = 246,120,897.87
  5. Step 5: Solve for x
    x = 246,120,897.87/19,122.47
  6. Step 6: Final answer
    x = 12,870.77

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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.