Home / 14,016.90-21,054.60-11,829.90

Finding the Fourth Proportional to 14,016.90, 21,054.60 and 11,829.90

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Solution

The fourth proportional to 14,016.90, 21,054.60 and 11,829.90 is: 17,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.90 : 21,054.60 = 11,829.90 : x
  2. Step 2: Convert to fraction form
    14,016.90/21,054.60 = 11,829.90/x
  3. Step 3: Cross multiply
    14,016.90x = 21,054.60 × 11,829.90
  4. Step 4: Simplify right side
    14,016.90x = 249,073,812.54
  5. Step 5: Solve for x
    x = 249,073,812.54/14,016.90
  6. Step 6: Final answer
    x = 17,769.54

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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.