Home / 13,735.71-18,959.85-9,768.33

Finding the Fourth Proportional to 13,735.71, 18,959.85 and 9,768.33

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Solution

The fourth proportional to 13,735.71, 18,959.85 and 9,768.33 is: 13,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.71 : 18,959.85 = 9,768.33 : x
  2. Step 2: Convert to fraction form
    13,735.71/18,959.85 = 9,768.33/x
  3. Step 3: Cross multiply
    13,735.71x = 18,959.85 × 9,768.33
  4. Step 4: Simplify right side
    13,735.71x = 185,206,071.55
  5. Step 5: Solve for x
    x = 185,206,071.55/13,735.71
  6. Step 6: Final answer
    x = 13,483.55

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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.