Home / 22,262.44-30,720.54-12,702.70

Finding the Fourth Proportional to 22,262.44, 30,720.54 and 12,702.70

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Solution

The fourth proportional to 22,262.44, 30,720.54 and 12,702.70 is: 17,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.44 : 30,720.54 = 12,702.70 : x
  2. Step 2: Convert to fraction form
    22,262.44/30,720.54 = 12,702.70/x
  3. Step 3: Cross multiply
    22,262.44x = 30,720.54 × 12,702.70
  4. Step 4: Simplify right side
    22,262.44x = 390,233,803.46
  5. Step 5: Solve for x
    x = 390,233,803.46/22,262.44
  6. Step 6: Final answer
    x = 17,528.80

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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.