Home / 12,840.03-19,260.02-4,836.29

Finding the Fourth Proportional to 12,840.03, 19,260.02 and 4,836.29

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Solution

The fourth proportional to 12,840.03, 19,260.02 and 4,836.29 is: 7,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840.03 : 19,260.02 = 4,836.29 : x
  2. Step 2: Convert to fraction form
    12,840.03/19,260.02 = 4,836.29/x
  3. Step 3: Cross multiply
    12,840.03x = 19,260.02 × 4,836.29
  4. Step 4: Simplify right side
    12,840.03x = 93,147,102.37
  5. Step 5: Solve for x
    x = 93,147,102.37/12,840.03
  6. Step 6: Final answer
    x = 7,254.43

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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.