Home / 14,702.80-21,993.45-13,405.18

Finding the Fourth Proportional to 14,702.80, 21,993.45 and 13,405.18

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Solution

The fourth proportional to 14,702.80, 21,993.45 and 13,405.18 is: 20,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.80 : 21,993.45 = 13,405.18 : x
  2. Step 2: Convert to fraction form
    14,702.80/21,993.45 = 13,405.18/x
  3. Step 3: Cross multiply
    14,702.80x = 21,993.45 × 13,405.18
  4. Step 4: Simplify right side
    14,702.80x = 294,826,156.07
  5. Step 5: Solve for x
    x = 294,826,156.07/14,702.80
  6. Step 6: Final answer
    x = 20,052.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.