Home / 13,743.51-20,621.74-4,976.07

Finding the Fourth Proportional to 13,743.51, 20,621.74 and 4,976.07

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Solution

The fourth proportional to 13,743.51, 20,621.74 and 4,976.07 is: 7,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.51 : 20,621.74 = 4,976.07 : x
  2. Step 2: Convert to fraction form
    13,743.51/20,621.74 = 4,976.07/x
  3. Step 3: Cross multiply
    13,743.51x = 20,621.74 × 4,976.07
  4. Step 4: Simplify right side
    13,743.51x = 102,615,221.76
  5. Step 5: Solve for x
    x = 102,615,221.76/13,743.51
  6. Step 6: Final answer
    x = 7,466.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.