Home / 14,215.40-21,308.27-4,852.31

Finding the Fourth Proportional to 14,215.40, 21,308.27 and 4,852.31

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Solution

The fourth proportional to 14,215.40, 21,308.27 and 4,852.31 is: 7,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.40 : 21,308.27 = 4,852.31 : x
  2. Step 2: Convert to fraction form
    14,215.40/21,308.27 = 4,852.31/x
  3. Step 3: Cross multiply
    14,215.40x = 21,308.27 × 4,852.31
  4. Step 4: Simplify right side
    14,215.40x = 103,394,200.80
  5. Step 5: Solve for x
    x = 103,394,200.80/14,215.40
  6. Step 6: Final answer
    x = 7,273.39

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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.