Home / 12,973.56-19,460.40-7,127

Finding the Fourth Proportional to 12,973.56, 19,460.40 and 7,127

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Solution

The fourth proportional to 12,973.56, 19,460.40 and 7,127 is: 10,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.56 : 19,460.40 = 7,127 : x
  2. Step 2: Convert to fraction form
    12,973.56/19,460.40 = 7,127/x
  3. Step 3: Cross multiply
    12,973.56x = 19,460.40 × 7,127
  4. Step 4: Simplify right side
    12,973.56x = 138,694,270.80
  5. Step 5: Solve for x
    x = 138,694,270.80/12,973.56
  6. Step 6: Final answer
    x = 10,690.53

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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.