Home / 23,678.56-35,513.34-7,881.22

Finding the Fourth Proportional to 23,678.56, 35,513.34 and 7,881.22

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Solution

The fourth proportional to 23,678.56, 35,513.34 and 7,881.22 is: 11,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678.56 : 35,513.34 = 7,881.22 : x
  2. Step 2: Convert to fraction form
    23,678.56/35,513.34 = 7,881.22/x
  3. Step 3: Cross multiply
    23,678.56x = 35,513.34 × 7,881.22
  4. Step 4: Simplify right side
    23,678.56x = 279,888,445.47
  5. Step 5: Solve for x
    x = 279,888,445.47/23,678.56
  6. Step 6: Final answer
    x = 11,820.33

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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.