Home / 12,703.40-17,530.70-6,960.83

Finding the Fourth Proportional to 12,703.40, 17,530.70 and 6,960.83

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Solution

The fourth proportional to 12,703.40, 17,530.70 and 6,960.83 is: 9,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.40 : 17,530.70 = 6,960.83 : x
  2. Step 2: Convert to fraction form
    12,703.40/17,530.70 = 6,960.83/x
  3. Step 3: Cross multiply
    12,703.40x = 17,530.70 × 6,960.83
  4. Step 4: Simplify right side
    12,703.40x = 122,028,100.02
  5. Step 5: Solve for x
    x = 122,028,100.02/12,703.40
  6. Step 6: Final answer
    x = 9,605.94

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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.