Home / 19,407.77-29,090.73-9,391.36

Finding the Fourth Proportional to 19,407.77, 29,090.73 and 9,391.36

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Solution

The fourth proportional to 19,407.77, 29,090.73 and 9,391.36 is: 14,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.77 : 29,090.73 = 9,391.36 : x
  2. Step 2: Convert to fraction form
    19,407.77/29,090.73 = 9,391.36/x
  3. Step 3: Cross multiply
    19,407.77x = 29,090.73 × 9,391.36
  4. Step 4: Simplify right side
    19,407.77x = 273,201,325.68
  5. Step 5: Solve for x
    x = 273,201,325.68/19,407.77
  6. Step 6: Final answer
    x = 14,076.91

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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.