Home / 12,907.24-17,810.70-7,603.36

Finding the Fourth Proportional to 12,907.24, 17,810.70 and 7,603.36

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Solution

The fourth proportional to 12,907.24, 17,810.70 and 7,603.36 is: 10,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.24 : 17,810.70 = 7,603.36 : x
  2. Step 2: Convert to fraction form
    12,907.24/17,810.70 = 7,603.36/x
  3. Step 3: Cross multiply
    12,907.24x = 17,810.70 × 7,603.36
  4. Step 4: Simplify right side
    12,907.24x = 135,421,163.95
  5. Step 5: Solve for x
    x = 135,421,163.95/12,907.24
  6. Step 6: Final answer
    x = 10,491.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.