Home / 12,804.02-19,187.80-5,003.72

Finding the Fourth Proportional to 12,804.02, 19,187.80 and 5,003.72

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Solution

The fourth proportional to 12,804.02, 19,187.80 and 5,003.72 is: 7,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.02 : 19,187.80 = 5,003.72 : x
  2. Step 2: Convert to fraction form
    12,804.02/19,187.80 = 5,003.72/x
  3. Step 3: Cross multiply
    12,804.02x = 19,187.80 × 5,003.72
  4. Step 4: Simplify right side
    12,804.02x = 96,010,378.62
  5. Step 5: Solve for x
    x = 96,010,378.62/12,804.02
  6. Step 6: Final answer
    x = 7,498.46

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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.