Home / 19,147.41-28,729.03-8,468.15

Finding the Fourth Proportional to 19,147.41, 28,729.03 and 8,468.15

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Solution

The fourth proportional to 19,147.41, 28,729.03 and 8,468.15 is: 12,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.41 : 28,729.03 = 8,468.15 : x
  2. Step 2: Convert to fraction form
    19,147.41/28,729.03 = 8,468.15/x
  3. Step 3: Cross multiply
    19,147.41x = 28,729.03 × 8,468.15
  4. Step 4: Simplify right side
    19,147.41x = 243,281,586.46
  5. Step 5: Solve for x
    x = 243,281,586.46/19,147.41
  6. Step 6: Final answer
    x = 12,705.72

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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.