Home / 9,320.34-13,999.02-5,579.34

Finding the Fourth Proportional to 9,320.34, 13,999.02 and 5,579.34

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Solution

The fourth proportional to 9,320.34, 13,999.02 and 5,579.34 is: 8,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.34 : 13,999.02 = 5,579.34 : x
  2. Step 2: Convert to fraction form
    9,320.34/13,999.02 = 5,579.34/x
  3. Step 3: Cross multiply
    9,320.34x = 13,999.02 × 5,579.34
  4. Step 4: Simplify right side
    9,320.34x = 78,105,292.25
  5. Step 5: Solve for x
    x = 78,105,292.25/9,320.34
  6. Step 6: Final answer
    x = 8,380.09

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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.