Home / 17,416.46-26,128.40-4,940.30

Finding the Fourth Proportional to 17,416.46, 26,128.40 and 4,940.30

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Solution

The fourth proportional to 17,416.46, 26,128.40 and 4,940.30 is: 7,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,416.46 : 26,128.40 = 4,940.30 : x
  2. Step 2: Convert to fraction form
    17,416.46/26,128.40 = 4,940.30/x
  3. Step 3: Cross multiply
    17,416.46x = 26,128.40 × 4,940.30
  4. Step 4: Simplify right side
    17,416.46x = 129,082,134.52
  5. Step 5: Solve for x
    x = 129,082,134.52/17,416.46
  6. Step 6: Final answer
    x = 7,411.50

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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.