Home / 17,980.45-26,966.35-9,210.85

Finding the Fourth Proportional to 17,980.45, 26,966.35 and 9,210.85

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Solution

The fourth proportional to 17,980.45, 26,966.35 and 9,210.85 is: 13,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.45 : 26,966.35 = 9,210.85 : x
  2. Step 2: Convert to fraction form
    17,980.45/26,966.35 = 9,210.85/x
  3. Step 3: Cross multiply
    17,980.45x = 26,966.35 × 9,210.85
  4. Step 4: Simplify right side
    17,980.45x = 248,383,004.90
  5. Step 5: Solve for x
    x = 248,383,004.90/17,980.45
  6. Step 6: Final answer
    x = 13,814.06

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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.