Home / 12,985.44-19,475.36-4,101.46

Finding the Fourth Proportional to 12,985.44, 19,475.36 and 4,101.46

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Solution

The fourth proportional to 12,985.44, 19,475.36 and 4,101.46 is: 6,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985.44 : 19,475.36 = 4,101.46 : x
  2. Step 2: Convert to fraction form
    12,985.44/19,475.36 = 4,101.46/x
  3. Step 3: Cross multiply
    12,985.44x = 19,475.36 × 4,101.46
  4. Step 4: Simplify right side
    12,985.44x = 79,877,410.03
  5. Step 5: Solve for x
    x = 79,877,410.03/12,985.44
  6. Step 6: Final answer
    x = 6,151.31

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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.