Home / 22,262.06-30,720.39-12,702.17

Finding the Fourth Proportional to 22,262.06, 30,720.39 and 12,702.17

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Solution

The fourth proportional to 22,262.06, 30,720.39 and 12,702.17 is: 17,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.06 : 30,720.39 = 12,702.17 : x
  2. Step 2: Convert to fraction form
    22,262.06/30,720.39 = 12,702.17/x
  3. Step 3: Cross multiply
    22,262.06x = 30,720.39 × 12,702.17
  4. Step 4: Simplify right side
    22,262.06x = 390,215,616.25
  5. Step 5: Solve for x
    x = 390,215,616.25/22,262.06
  6. Step 6: Final answer
    x = 17,528.28

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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.