Home / 14,261.67-21,395.75-5,497.07

Finding the Fourth Proportional to 14,261.67, 21,395.75 and 5,497.07

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Solution

The fourth proportional to 14,261.67, 21,395.75 and 5,497.07 is: 8,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.67 : 21,395.75 = 5,497.07 : x
  2. Step 2: Convert to fraction form
    14,261.67/21,395.75 = 5,497.07/x
  3. Step 3: Cross multiply
    14,261.67x = 21,395.75 × 5,497.07
  4. Step 4: Simplify right side
    14,261.67x = 117,613,800.99
  5. Step 5: Solve for x
    x = 117,613,800.99/14,261.67
  6. Step 6: Final answer
    x = 8,246.85

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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.