Home / 14,014.08-19,339.58-7,726.68

Finding the Fourth Proportional to 14,014.08, 19,339.58 and 7,726.68

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Solution

The fourth proportional to 14,014.08, 19,339.58 and 7,726.68 is: 10,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.08 : 19,339.58 = 7,726.68 : x
  2. Step 2: Convert to fraction form
    14,014.08/19,339.58 = 7,726.68/x
  3. Step 3: Cross multiply
    14,014.08x = 19,339.58 × 7,726.68
  4. Step 4: Simplify right side
    14,014.08x = 149,430,745.99
  5. Step 5: Solve for x
    x = 149,430,745.99/14,014.08
  6. Step 6: Final answer
    x = 10,662.90

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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.