Home / 12,948.69-17,873.21-9,961.01

Finding the Fourth Proportional to 12,948.69, 17,873.21 and 9,961.01

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Solution

The fourth proportional to 12,948.69, 17,873.21 and 9,961.01 is: 13,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.69 : 17,873.21 = 9,961.01 : x
  2. Step 2: Convert to fraction form
    12,948.69/17,873.21 = 9,961.01/x
  3. Step 3: Cross multiply
    12,948.69x = 17,873.21 × 9,961.01
  4. Step 4: Simplify right side
    12,948.69x = 178,035,170.07
  5. Step 5: Solve for x
    x = 178,035,170.07/12,948.69
  6. Step 6: Final answer
    x = 13,749.28

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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.