Home / 11,360.89-17,019.87-6,434.07

Finding the Fourth Proportional to 11,360.89, 17,019.87 and 6,434.07

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Solution

The fourth proportional to 11,360.89, 17,019.87 and 6,434.07 is: 9,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.89 : 17,019.87 = 6,434.07 : x
  2. Step 2: Convert to fraction form
    11,360.89/17,019.87 = 6,434.07/x
  3. Step 3: Cross multiply
    11,360.89x = 17,019.87 × 6,434.07
  4. Step 4: Simplify right side
    11,360.89x = 109,507,034.97
  5. Step 5: Solve for x
    x = 109,507,034.97/11,360.89
  6. Step 6: Final answer
    x = 9,638.95

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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.