Home / 9,125.70-13,656.15-6,339.30

Finding the Fourth Proportional to 9,125.70, 13,656.15 and 6,339.30

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Solution

The fourth proportional to 9,125.70, 13,656.15 and 6,339.30 is: 9,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.70 : 13,656.15 = 6,339.30 : x
  2. Step 2: Convert to fraction form
    9,125.70/13,656.15 = 6,339.30/x
  3. Step 3: Cross multiply
    9,125.70x = 13,656.15 × 6,339.30
  4. Step 4: Simplify right side
    9,125.70x = 86,570,431.70
  5. Step 5: Solve for x
    x = 86,570,431.70/9,125.70
  6. Step 6: Final answer
    x = 9,486.44

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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.