Home / 12,825.48-19,246.81-4,505.53

Finding the Fourth Proportional to 12,825.48, 19,246.81 and 4,505.53

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Solution

The fourth proportional to 12,825.48, 19,246.81 and 4,505.53 is: 6,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.48 : 19,246.81 = 4,505.53 : x
  2. Step 2: Convert to fraction form
    12,825.48/19,246.81 = 4,505.53/x
  3. Step 3: Cross multiply
    12,825.48x = 19,246.81 × 4,505.53
  4. Step 4: Simplify right side
    12,825.48x = 86,717,079.86
  5. Step 5: Solve for x
    x = 86,717,079.86/12,825.48
  6. Step 6: Final answer
    x = 6,761.31

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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.