Home / 17,971.03-26,961.81-9,212.05

Finding the Fourth Proportional to 17,971.03, 26,961.81 and 9,212.05

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Solution

The fourth proportional to 17,971.03, 26,961.81 and 9,212.05 is: 13,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.03 : 26,961.81 = 9,212.05 : x
  2. Step 2: Convert to fraction form
    17,971.03/26,961.81 = 9,212.05/x
  3. Step 3: Cross multiply
    17,971.03x = 26,961.81 × 9,212.05
  4. Step 4: Simplify right side
    17,971.03x = 248,373,541.81
  5. Step 5: Solve for x
    x = 248,373,541.81/17,971.03
  6. Step 6: Final answer
    x = 13,820.77

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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.