Home / 13,276.76-18,324.03-9,703.47

Finding the Fourth Proportional to 13,276.76, 18,324.03 and 9,703.47

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Solution

The fourth proportional to 13,276.76, 18,324.03 and 9,703.47 is: 13,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.76 : 18,324.03 = 9,703.47 : x
  2. Step 2: Convert to fraction form
    13,276.76/18,324.03 = 9,703.47/x
  3. Step 3: Cross multiply
    13,276.76x = 18,324.03 × 9,703.47
  4. Step 4: Simplify right side
    13,276.76x = 177,806,675.38
  5. Step 5: Solve for x
    x = 177,806,675.38/13,276.76
  6. Step 6: Final answer
    x = 13,392.33

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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.