Home / 14,150.90-21,225.11-4,790.71

Finding the Fourth Proportional to 14,150.90, 21,225.11 and 4,790.71

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Solution

The fourth proportional to 14,150.90, 21,225.11 and 4,790.71 is: 7,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.90 : 21,225.11 = 4,790.71 : x
  2. Step 2: Convert to fraction form
    14,150.90/21,225.11 = 4,790.71/x
  3. Step 3: Cross multiply
    14,150.90x = 21,225.11 × 4,790.71
  4. Step 4: Simplify right side
    14,150.90x = 101,683,346.73
  5. Step 5: Solve for x
    x = 101,683,346.73/14,150.90
  6. Step 6: Final answer
    x = 7,185.65

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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.