Home / 14,001.14-21,004.54-4,140.20

Finding the Fourth Proportional to 14,001.14, 21,004.54 and 4,140.20

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Solution

The fourth proportional to 14,001.14, 21,004.54 and 4,140.20 is: 6,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.14 : 21,004.54 = 4,140.20 : x
  2. Step 2: Convert to fraction form
    14,001.14/21,004.54 = 4,140.20/x
  3. Step 3: Cross multiply
    14,001.14x = 21,004.54 × 4,140.20
  4. Step 4: Simplify right side
    14,001.14x = 86,962,996.51
  5. Step 5: Solve for x
    x = 86,962,996.51/14,001.14
  6. Step 6: Final answer
    x = 6,211.14

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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.