Home / 14,483.21-21,726.83-4,485.78

Finding the Fourth Proportional to 14,483.21, 21,726.83 and 4,485.78

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Solution

The fourth proportional to 14,483.21, 21,726.83 and 4,485.78 is: 6,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.21 : 21,726.83 = 4,485.78 : x
  2. Step 2: Convert to fraction form
    14,483.21/21,726.83 = 4,485.78/x
  3. Step 3: Cross multiply
    14,483.21x = 21,726.83 × 4,485.78
  4. Step 4: Simplify right side
    14,483.21x = 97,461,790.69
  5. Step 5: Solve for x
    x = 97,461,790.69/14,483.21
  6. Step 6: Final answer
    x = 6,729.30

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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.