Home / 14,099.49-21,104.60-9,920.13

Finding the Fourth Proportional to 14,099.49, 21,104.60 and 9,920.13

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Solution

The fourth proportional to 14,099.49, 21,104.60 and 9,920.13 is: 14,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.49 : 21,104.60 = 9,920.13 : x
  2. Step 2: Convert to fraction form
    14,099.49/21,104.60 = 9,920.13/x
  3. Step 3: Cross multiply
    14,099.49x = 21,104.60 × 9,920.13
  4. Step 4: Simplify right side
    14,099.49x = 209,360,326.00
  5. Step 5: Solve for x
    x = 209,360,326.00/14,099.49
  6. Step 6: Final answer
    x = 14,848.79

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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.