Home / 15,573.44-21,377.02-13,765.52

Finding the Fourth Proportional to 15,573.44, 21,377.02 and 13,765.52

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Solution

The fourth proportional to 15,573.44, 21,377.02 and 13,765.52 is: 18,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.44 : 21,377.02 = 13,765.52 : x
  2. Step 2: Convert to fraction form
    15,573.44/21,377.02 = 13,765.52/x
  3. Step 3: Cross multiply
    15,573.44x = 21,377.02 × 13,765.52
  4. Step 4: Simplify right side
    15,573.44x = 294,265,796.35
  5. Step 5: Solve for x
    x = 294,265,796.35/15,573.44
  6. Step 6: Final answer
    x = 18,895.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.