Home / 14,485.24-21,730.31-4,487.69

Finding the Fourth Proportional to 14,485.24, 21,730.31 and 4,487.69

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Solution

The fourth proportional to 14,485.24, 21,730.31 and 4,487.69 is: 6,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.24 : 21,730.31 = 4,487.69 : x
  2. Step 2: Convert to fraction form
    14,485.24/21,730.31 = 4,487.69/x
  3. Step 3: Cross multiply
    14,485.24x = 21,730.31 × 4,487.69
  4. Step 4: Simplify right side
    14,485.24x = 97,518,931.97
  5. Step 5: Solve for x
    x = 97,518,931.97/14,485.24
  6. Step 6: Final answer
    x = 6,732.30

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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.