Home / 13,808.03-19,054.93-8,143.02

Finding the Fourth Proportional to 13,808.03, 19,054.93 and 8,143.02

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Solution

The fourth proportional to 13,808.03, 19,054.93 and 8,143.02 is: 11,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.03 : 19,054.93 = 8,143.02 : x
  2. Step 2: Convert to fraction form
    13,808.03/19,054.93 = 8,143.02/x
  3. Step 3: Cross multiply
    13,808.03x = 19,054.93 × 8,143.02
  4. Step 4: Simplify right side
    13,808.03x = 155,164,676.09
  5. Step 5: Solve for x
    x = 155,164,676.09/13,808.03
  6. Step 6: Final answer
    x = 11,237.28

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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.