Home / 18,946.12-26,145.76-10,993.08

Finding the Fourth Proportional to 18,946.12, 26,145.76 and 10,993.08

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Solution

The fourth proportional to 18,946.12, 26,145.76 and 10,993.08 is: 15,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.12 : 26,145.76 = 10,993.08 : x
  2. Step 2: Convert to fraction form
    18,946.12/26,145.76 = 10,993.08/x
  3. Step 3: Cross multiply
    18,946.12x = 26,145.76 × 10,993.08
  4. Step 4: Simplify right side
    18,946.12x = 287,422,431.34
  5. Step 5: Solve for x
    x = 287,422,431.34/18,946.12
  6. Step 6: Final answer
    x = 15,170.52

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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.