Home / 12,861.37-19,291.92-4,539.43

Finding the Fourth Proportional to 12,861.37, 19,291.92 and 4,539.43

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Solution

The fourth proportional to 12,861.37, 19,291.92 and 4,539.43 is: 6,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.37 : 19,291.92 = 4,539.43 : x
  2. Step 2: Convert to fraction form
    12,861.37/19,291.92 = 4,539.43/x
  3. Step 3: Cross multiply
    12,861.37x = 19,291.92 × 4,539.43
  4. Step 4: Simplify right side
    12,861.37x = 87,574,320.41
  5. Step 5: Solve for x
    x = 87,574,320.41/12,861.37
  6. Step 6: Final answer
    x = 6,809.10

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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.