Home / 22,268.30-30,730.75-12,708.00

Finding the Fourth Proportional to 22,268.30, 30,730.75 and 12,708.00

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Solution

The fourth proportional to 22,268.30, 30,730.75 and 12,708.00 is: 17,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.30 : 30,730.75 = 12,708.00 : x
  2. Step 2: Convert to fraction form
    22,268.30/30,730.75 = 12,708.00/x
  3. Step 3: Cross multiply
    22,268.30x = 30,730.75 × 12,708.00
  4. Step 4: Simplify right side
    22,268.30x = 390,526,217.35
  5. Step 5: Solve for x
    x = 390,526,217.35/22,268.30
  6. Step 6: Final answer
    x = 17,537.32

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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.