Home / 14,230.80-21,317.40-9,853.20

Finding the Fourth Proportional to 14,230.80, 21,317.40 and 9,853.20

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Solution

The fourth proportional to 14,230.80, 21,317.40 and 9,853.20 is: 14,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.80 : 21,317.40 = 9,853.20 : x
  2. Step 2: Convert to fraction form
    14,230.80/21,317.40 = 9,853.20/x
  3. Step 3: Cross multiply
    14,230.80x = 21,317.40 × 9,853.20
  4. Step 4: Simplify right side
    14,230.80x = 210,044,605.68
  5. Step 5: Solve for x
    x = 210,044,605.68/14,230.80
  6. Step 6: Final answer
    x = 14,759.86

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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.