Home / 21,835.18-30,144.01-14,702.59

Finding the Fourth Proportional to 21,835.18, 30,144.01 and 14,702.59

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Solution

The fourth proportional to 21,835.18, 30,144.01 and 14,702.59 is: 20,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.18 : 30,144.01 = 14,702.59 : x
  2. Step 2: Convert to fraction form
    21,835.18/30,144.01 = 14,702.59/x
  3. Step 3: Cross multiply
    21,835.18x = 30,144.01 × 14,702.59
  4. Step 4: Simplify right side
    21,835.18x = 443,194,907.87
  5. Step 5: Solve for x
    x = 443,194,907.87/21,835.18
  6. Step 6: Final answer
    x = 20,297.29

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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.