Home / 12,510.06-18,765.22-3,745.04

Finding the Fourth Proportional to 12,510.06, 18,765.22 and 3,745.04

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Solution

The fourth proportional to 12,510.06, 18,765.22 and 3,745.04 is: 5,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.06 : 18,765.22 = 3,745.04 : x
  2. Step 2: Convert to fraction form
    12,510.06/18,765.22 = 3,745.04/x
  3. Step 3: Cross multiply
    12,510.06x = 18,765.22 × 3,745.04
  4. Step 4: Simplify right side
    12,510.06x = 70,276,499.51
  5. Step 5: Solve for x
    x = 70,276,499.51/12,510.06
  6. Step 6: Final answer
    x = 5,617.60

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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.