Home / 13,878.31-20,814.23-4,014.94

Finding the Fourth Proportional to 13,878.31, 20,814.23 and 4,014.94

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Solution

The fourth proportional to 13,878.31, 20,814.23 and 4,014.94 is: 6,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878.31 : 20,814.23 = 4,014.94 : x
  2. Step 2: Convert to fraction form
    13,878.31/20,814.23 = 4,014.94/x
  3. Step 3: Cross multiply
    13,878.31x = 20,814.23 × 4,014.94
  4. Step 4: Simplify right side
    13,878.31x = 83,567,864.52
  5. Step 5: Solve for x
    x = 83,567,864.52/13,878.31
  6. Step 6: Final answer
    x = 6,021.47

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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.