Home / 13,068.91-19,605.79-6,143.41

Finding the Fourth Proportional to 13,068.91, 19,605.79 and 6,143.41

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Solution

The fourth proportional to 13,068.91, 19,605.79 and 6,143.41 is: 9,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.91 : 19,605.79 = 6,143.41 : x
  2. Step 2: Convert to fraction form
    13,068.91/19,605.79 = 6,143.41/x
  3. Step 3: Cross multiply
    13,068.91x = 19,605.79 × 6,143.41
  4. Step 4: Simplify right side
    13,068.91x = 120,446,406.34
  5. Step 5: Solve for x
    x = 120,446,406.34/13,068.91
  6. Step 6: Final answer
    x = 9,216.25

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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.