Home / 12,055.76-16,637.64-6,750.80

Finding the Fourth Proportional to 12,055.76, 16,637.64 and 6,750.80

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Solution

The fourth proportional to 12,055.76, 16,637.64 and 6,750.80 is: 9,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.76 : 16,637.64 = 6,750.80 : x
  2. Step 2: Convert to fraction form
    12,055.76/16,637.64 = 6,750.80/x
  3. Step 3: Cross multiply
    12,055.76x = 16,637.64 × 6,750.80
  4. Step 4: Simplify right side
    12,055.76x = 112,317,380.11
  5. Step 5: Solve for x
    x = 112,317,380.11/12,055.76
  6. Step 6: Final answer
    x = 9,316.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.