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Finding the Fourth Proportional to 14,046.55, 19,390.59 and 8,944.16

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Solution

The fourth proportional to 14,046.55, 19,390.59 and 8,944.16 is: 12,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.55 : 19,390.59 = 8,944.16 : x
  2. Step 2: Convert to fraction form
    14,046.55/19,390.59 = 8,944.16/x
  3. Step 3: Cross multiply
    14,046.55x = 19,390.59 × 8,944.16
  4. Step 4: Simplify right side
    14,046.55x = 173,432,442.50
  5. Step 5: Solve for x
    x = 173,432,442.50/14,046.55
  6. Step 6: Final answer
    x = 12,346.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.