Home / 22,280.06-30,745.58-13,322.28

Finding the Fourth Proportional to 22,280.06, 30,745.58 and 13,322.28

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Solution

The fourth proportional to 22,280.06, 30,745.58 and 13,322.28 is: 18,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.06 : 30,745.58 = 13,322.28 : x
  2. Step 2: Convert to fraction form
    22,280.06/30,745.58 = 13,322.28/x
  3. Step 3: Cross multiply
    22,280.06x = 30,745.58 × 13,322.28
  4. Step 4: Simplify right side
    22,280.06x = 409,601,225.52
  5. Step 5: Solve for x
    x = 409,601,225.52/22,280.06
  6. Step 6: Final answer
    x = 18,384.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.