Home / 14,820.40-22,230.60-9,290.80

Finding the Fourth Proportional to 14,820.40, 22,230.60 and 9,290.80

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Solution

The fourth proportional to 14,820.40, 22,230.60 and 9,290.80 is: 13,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.40 : 22,230.60 = 9,290.80 : x
  2. Step 2: Convert to fraction form
    14,820.40/22,230.60 = 9,290.80/x
  3. Step 3: Cross multiply
    14,820.40x = 22,230.60 × 9,290.80
  4. Step 4: Simplify right side
    14,820.40x = 206,540,058.48
  5. Step 5: Solve for x
    x = 206,540,058.48/14,820.40
  6. Step 6: Final answer
    x = 13,936.20

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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.