Home / 12,403.69-17,117.25-6,738.46

Finding the Fourth Proportional to 12,403.69, 17,117.25 and 6,738.46

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Solution

The fourth proportional to 12,403.69, 17,117.25 and 6,738.46 is: 9,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.69 : 17,117.25 = 6,738.46 : x
  2. Step 2: Convert to fraction form
    12,403.69/17,117.25 = 6,738.46/x
  3. Step 3: Cross multiply
    12,403.69x = 17,117.25 × 6,738.46
  4. Step 4: Simplify right side
    12,403.69x = 115,343,904.44
  5. Step 5: Solve for x
    x = 115,343,904.44/12,403.69
  6. Step 6: Final answer
    x = 9,299.16

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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.