Home / 13,950.47-20,907.91-6,538.60

Finding the Fourth Proportional to 13,950.47, 20,907.91 and 6,538.60

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Solution

The fourth proportional to 13,950.47, 20,907.91 and 6,538.60 is: 9,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.47 : 20,907.91 = 6,538.60 : x
  2. Step 2: Convert to fraction form
    13,950.47/20,907.91 = 6,538.60/x
  3. Step 3: Cross multiply
    13,950.47x = 20,907.91 × 6,538.60
  4. Step 4: Simplify right side
    13,950.47x = 136,708,340.25
  5. Step 5: Solve for x
    x = 136,708,340.25/13,950.47
  6. Step 6: Final answer
    x = 9,799.55

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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.