Home / 14,124.76-21,187.06-3,450.99

Finding the Fourth Proportional to 14,124.76, 21,187.06 and 3,450.99

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Solution

The fourth proportional to 14,124.76, 21,187.06 and 3,450.99 is: 5,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.76 : 21,187.06 = 3,450.99 : x
  2. Step 2: Convert to fraction form
    14,124.76/21,187.06 = 3,450.99/x
  3. Step 3: Cross multiply
    14,124.76x = 21,187.06 × 3,450.99
  4. Step 4: Simplify right side
    14,124.76x = 73,116,332.19
  5. Step 5: Solve for x
    x = 73,116,332.19/14,124.76
  6. Step 6: Final answer
    x = 5,176.47

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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.