Home / 14,140.31-21,210.44-3,610.32

Finding the Fourth Proportional to 14,140.31, 21,210.44 and 3,610.32

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Solution

The fourth proportional to 14,140.31, 21,210.44 and 3,610.32 is: 5,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.31 : 21,210.44 = 3,610.32 : x
  2. Step 2: Convert to fraction form
    14,140.31/21,210.44 = 3,610.32/x
  3. Step 3: Cross multiply
    14,140.31x = 21,210.44 × 3,610.32
  4. Step 4: Simplify right side
    14,140.31x = 76,576,457.69
  5. Step 5: Solve for x
    x = 76,576,457.69/14,140.31
  6. Step 6: Final answer
    x = 5,415.47

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Similar ratio
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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.