Home / 13,410.29-20,110.88-4,643.16

Finding the Fourth Proportional to 13,410.29, 20,110.88 and 4,643.16

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Solution

The fourth proportional to 13,410.29, 20,110.88 and 4,643.16 is: 6,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.29 : 20,110.88 = 4,643.16 : x
  2. Step 2: Convert to fraction form
    13,410.29/20,110.88 = 4,643.16/x
  3. Step 3: Cross multiply
    13,410.29x = 20,110.88 × 4,643.16
  4. Step 4: Simplify right side
    13,410.29x = 93,377,969.77
  5. Step 5: Solve for x
    x = 93,377,969.77/13,410.29
  6. Step 6: Final answer
    x = 6,963.16

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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.