Home / 12,859.04-17,745.38-7,193.76

Finding the Fourth Proportional to 12,859.04, 17,745.38 and 7,193.76

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Solution

The fourth proportional to 12,859.04, 17,745.38 and 7,193.76 is: 9,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.04 : 17,745.38 = 7,193.76 : x
  2. Step 2: Convert to fraction form
    12,859.04/17,745.38 = 7,193.76/x
  3. Step 3: Cross multiply
    12,859.04x = 17,745.38 × 7,193.76
  4. Step 4: Simplify right side
    12,859.04x = 127,655,968.86
  5. Step 5: Solve for x
    x = 127,655,968.86/12,859.04
  6. Step 6: Final answer
    x = 9,927.34

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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.