Home / 12,637.44-18,950.40-6,485.76

Finding the Fourth Proportional to 12,637.44, 18,950.40 and 6,485.76

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Solution

The fourth proportional to 12,637.44, 18,950.40 and 6,485.76 is: 9,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.44 : 18,950.40 = 6,485.76 : x
  2. Step 2: Convert to fraction form
    12,637.44/18,950.40 = 6,485.76/x
  3. Step 3: Cross multiply
    12,637.44x = 18,950.40 × 6,485.76
  4. Step 4: Simplify right side
    12,637.44x = 122,907,746.30
  5. Step 5: Solve for x
    x = 122,907,746.30/12,637.44
  6. Step 6: Final answer
    x = 9,725.68

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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.