Home / 13,617.08-20,411.06-8,935.32

Finding the Fourth Proportional to 13,617.08, 20,411.06 and 8,935.32

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Solution

The fourth proportional to 13,617.08, 20,411.06 and 8,935.32 is: 13,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.08 : 20,411.06 = 8,935.32 : x
  2. Step 2: Convert to fraction form
    13,617.08/20,411.06 = 8,935.32/x
  3. Step 3: Cross multiply
    13,617.08x = 20,411.06 × 8,935.32
  4. Step 4: Simplify right side
    13,617.08x = 182,379,352.64
  5. Step 5: Solve for x
    x = 182,379,352.64/13,617.08
  6. Step 6: Final answer
    x = 13,393.43

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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.