Home / 17,421.02-26,131.77-4,273.70

Finding the Fourth Proportional to 17,421.02, 26,131.77 and 4,273.70

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Solution

The fourth proportional to 17,421.02, 26,131.77 and 4,273.70 is: 6,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.02 : 26,131.77 = 4,273.70 : x
  2. Step 2: Convert to fraction form
    17,421.02/26,131.77 = 4,273.70/x
  3. Step 3: Cross multiply
    17,421.02x = 26,131.77 × 4,273.70
  4. Step 4: Simplify right side
    17,421.02x = 111,679,345.45
  5. Step 5: Solve for x
    x = 111,679,345.45/17,421.02
  6. Step 6: Final answer
    x = 6,410.61

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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.