Home / 17,930.36-26,858.54-10,512.30

Finding the Fourth Proportional to 17,930.36, 26,858.54 and 10,512.30

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Solution

The fourth proportional to 17,930.36, 26,858.54 and 10,512.30 is: 15,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.36 : 26,858.54 = 10,512.30 : x
  2. Step 2: Convert to fraction form
    17,930.36/26,858.54 = 10,512.30/x
  3. Step 3: Cross multiply
    17,930.36x = 26,858.54 × 10,512.30
  4. Step 4: Simplify right side
    17,930.36x = 282,345,030.04
  5. Step 5: Solve for x
    x = 282,345,030.04/17,930.36
  6. Step 6: Final answer
    x = 15,746.76

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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.