Home / 13,068.03-18,016.46-10,388.16

Finding the Fourth Proportional to 13,068.03, 18,016.46 and 10,388.16

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Solution

The fourth proportional to 13,068.03, 18,016.46 and 10,388.16 is: 14,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.03 : 18,016.46 = 10,388.16 : x
  2. Step 2: Convert to fraction form
    13,068.03/18,016.46 = 10,388.16/x
  3. Step 3: Cross multiply
    13,068.03x = 18,016.46 × 10,388.16
  4. Step 4: Simplify right side
    13,068.03x = 187,157,817.17
  5. Step 5: Solve for x
    x = 187,157,817.17/13,068.03
  6. Step 6: Final answer
    x = 14,321.81

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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.