Home / 12,907.49-19,330.07-7,343.96

Finding the Fourth Proportional to 12,907.49, 19,330.07 and 7,343.96

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Solution

The fourth proportional to 12,907.49, 19,330.07 and 7,343.96 is: 10,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.49 : 19,330.07 = 7,343.96 : x
  2. Step 2: Convert to fraction form
    12,907.49/19,330.07 = 7,343.96/x
  3. Step 3: Cross multiply
    12,907.49x = 19,330.07 × 7,343.96
  4. Step 4: Simplify right side
    12,907.49x = 141,959,127.51
  5. Step 5: Solve for x
    x = 141,959,127.51/12,907.49
  6. Step 6: Final answer
    x = 10,998.20

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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.