Home / 12,960.48-17,885.01-7,295.34

Finding the Fourth Proportional to 12,960.48, 17,885.01 and 7,295.34

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Solution

The fourth proportional to 12,960.48, 17,885.01 and 7,295.34 is: 10,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.48 : 17,885.01 = 7,295.34 : x
  2. Step 2: Convert to fraction form
    12,960.48/17,885.01 = 7,295.34/x
  3. Step 3: Cross multiply
    12,960.48x = 17,885.01 × 7,295.34
  4. Step 4: Simplify right side
    12,960.48x = 130,477,228.85
  5. Step 5: Solve for x
    x = 130,477,228.85/12,960.48
  6. Step 6: Final answer
    x = 10,067.31

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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.