Home / 18,015.36-26,999.14-9,580.11

Finding the Fourth Proportional to 18,015.36, 26,999.14 and 9,580.11

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Solution

The fourth proportional to 18,015.36, 26,999.14 and 9,580.11 is: 14,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.36 : 26,999.14 = 9,580.11 : x
  2. Step 2: Convert to fraction form
    18,015.36/26,999.14 = 9,580.11/x
  3. Step 3: Cross multiply
    18,015.36x = 26,999.14 × 9,580.11
  4. Step 4: Simplify right side
    18,015.36x = 258,654,731.11
  5. Step 5: Solve for x
    x = 258,654,731.11/18,015.36
  6. Step 6: Final answer
    x = 14,357.46

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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.