Home / 35,115.90-52,673.73-11,742.30

Finding the Fourth Proportional to 35,115.90, 52,673.73 and 11,742.30

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Solution

The fourth proportional to 35,115.90, 52,673.73 and 11,742.30 is: 17,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.90 : 52,673.73 = 11,742.30 : x
  2. Step 2: Convert to fraction form
    35,115.90/52,673.73 = 11,742.30/x
  3. Step 3: Cross multiply
    35,115.90x = 52,673.73 × 11,742.30
  4. Step 4: Simplify right side
    35,115.90x = 618,510,739.78
  5. Step 5: Solve for x
    x = 618,510,739.78/35,115.90
  6. Step 6: Final answer
    x = 17,613.41

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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.