Home / 17,513.30-26,271.60-6,980.78

Finding the Fourth Proportional to 17,513.30, 26,271.60 and 6,980.78

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Solution

The fourth proportional to 17,513.30, 26,271.60 and 6,980.78 is: 10,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,513.30 : 26,271.60 = 6,980.78 : x
  2. Step 2: Convert to fraction form
    17,513.30/26,271.60 = 6,980.78/x
  3. Step 3: Cross multiply
    17,513.30x = 26,271.60 × 6,980.78
  4. Step 4: Simplify right side
    17,513.30x = 183,396,259.85
  5. Step 5: Solve for x
    x = 183,396,259.85/17,513.30
  6. Step 6: Final answer
    x = 10,471.83

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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.