Home / 13,336.30-18,406.30-10,160.09

Finding the Fourth Proportional to 13,336.30, 18,406.30 and 10,160.09

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Solution

The fourth proportional to 13,336.30, 18,406.30 and 10,160.09 is: 14,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.30 : 18,406.30 = 10,160.09 : x
  2. Step 2: Convert to fraction form
    13,336.30/18,406.30 = 10,160.09/x
  3. Step 3: Cross multiply
    13,336.30x = 18,406.30 × 10,160.09
  4. Step 4: Simplify right side
    13,336.30x = 187,009,664.57
  5. Step 5: Solve for x
    x = 187,009,664.57/13,336.30
  6. Step 6: Final answer
    x = 14,022.60

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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.