Home / 12,770.40-19,062.02-11,832.26

Finding the Fourth Proportional to 12,770.40, 19,062.02 and 11,832.26

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Solution

The fourth proportional to 12,770.40, 19,062.02 and 11,832.26 is: 17,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.40 : 19,062.02 = 11,832.26 : x
  2. Step 2: Convert to fraction form
    12,770.40/19,062.02 = 11,832.26/x
  3. Step 3: Cross multiply
    12,770.40x = 19,062.02 × 11,832.26
  4. Step 4: Simplify right side
    12,770.40x = 225,546,776.77
  5. Step 5: Solve for x
    x = 225,546,776.77/12,770.40
  6. Step 6: Final answer
    x = 17,661.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.