Home / 14,001.12-21,004.56-9,620.64

Finding the Fourth Proportional to 14,001.12, 21,004.56 and 9,620.64

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Solution

The fourth proportional to 14,001.12, 21,004.56 and 9,620.64 is: 14,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.12 : 21,004.56 = 9,620.64 : x
  2. Step 2: Convert to fraction form
    14,001.12/21,004.56 = 9,620.64/x
  3. Step 3: Cross multiply
    14,001.12x = 21,004.56 × 9,620.64
  4. Step 4: Simplify right side
    14,001.12x = 202,077,310.12
  5. Step 5: Solve for x
    x = 202,077,310.12/14,001.12
  6. Step 6: Final answer
    x = 14,432.94

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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.