Home / 14,148.30-21,222.45-4,914.30

Finding the Fourth Proportional to 14,148.30, 21,222.45 and 4,914.30

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Solution

The fourth proportional to 14,148.30, 21,222.45 and 4,914.30 is: 7,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.30 : 21,222.45 = 4,914.30 : x
  2. Step 2: Convert to fraction form
    14,148.30/21,222.45 = 4,914.30/x
  3. Step 3: Cross multiply
    14,148.30x = 21,222.45 × 4,914.30
  4. Step 4: Simplify right side
    14,148.30x = 104,293,486.04
  5. Step 5: Solve for x
    x = 104,293,486.04/14,148.30
  6. Step 6: Final answer
    x = 7,371.45

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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.