Home / 13,021.44-19,460.68-9,518.82

Finding the Fourth Proportional to 13,021.44, 19,460.68 and 9,518.82

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Solution

The fourth proportional to 13,021.44, 19,460.68 and 9,518.82 is: 14,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.44 : 19,460.68 = 9,518.82 : x
  2. Step 2: Convert to fraction form
    13,021.44/19,460.68 = 9,518.82/x
  3. Step 3: Cross multiply
    13,021.44x = 19,460.68 × 9,518.82
  4. Step 4: Simplify right side
    13,021.44x = 185,242,710.00
  5. Step 5: Solve for x
    x = 185,242,710.00/13,021.44
  6. Step 6: Final answer
    x = 14,225.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.