Home / 14,203.60-19,601.10-7,830.44

Finding the Fourth Proportional to 14,203.60, 19,601.10 and 7,830.44

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Solution

The fourth proportional to 14,203.60, 19,601.10 and 7,830.44 is: 10,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.60 : 19,601.10 = 7,830.44 : x
  2. Step 2: Convert to fraction form
    14,203.60/19,601.10 = 7,830.44/x
  3. Step 3: Cross multiply
    14,203.60x = 19,601.10 × 7,830.44
  4. Step 4: Simplify right side
    14,203.60x = 153,485,296.35
  5. Step 5: Solve for x
    x = 153,485,296.35/14,203.60
  6. Step 6: Final answer
    x = 10,806.09

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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.