Home / 14,208.69-21,312.86-4,348.02

Finding the Fourth Proportional to 14,208.69, 21,312.86 and 4,348.02

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Solution

The fourth proportional to 14,208.69, 21,312.86 and 4,348.02 is: 6,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.69 : 21,312.86 = 4,348.02 : x
  2. Step 2: Convert to fraction form
    14,208.69/21,312.86 = 4,348.02/x
  3. Step 3: Cross multiply
    14,208.69x = 21,312.86 × 4,348.02
  4. Step 4: Simplify right side
    14,208.69x = 92,668,719.80
  5. Step 5: Solve for x
    x = 92,668,719.80/14,208.69
  6. Step 6: Final answer
    x = 6,521.97

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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.