Home / 15,554.80-23,339.40-8,167.60

Finding the Fourth Proportional to 15,554.80, 23,339.40 and 8,167.60

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Solution

The fourth proportional to 15,554.80, 23,339.40 and 8,167.60 is: 12,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.80 : 23,339.40 = 8,167.60 : x
  2. Step 2: Convert to fraction form
    15,554.80/23,339.40 = 8,167.60/x
  3. Step 3: Cross multiply
    15,554.80x = 23,339.40 × 8,167.60
  4. Step 4: Simplify right side
    15,554.80x = 190,626,883.44
  5. Step 5: Solve for x
    x = 190,626,883.44/15,554.80
  6. Step 6: Final answer
    x = 12,255.18

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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.