Home / 11,885.04-16,400.64-6,579.57

Finding the Fourth Proportional to 11,885.04, 16,400.64 and 6,579.57

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Solution

The fourth proportional to 11,885.04, 16,400.64 and 6,579.57 is: 9,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.04 : 16,400.64 = 6,579.57 : x
  2. Step 2: Convert to fraction form
    11,885.04/16,400.64 = 6,579.57/x
  3. Step 3: Cross multiply
    11,885.04x = 16,400.64 × 6,579.57
  4. Step 4: Simplify right side
    11,885.04x = 107,909,158.92
  5. Step 5: Solve for x
    x = 107,909,158.92/11,885.04
  6. Step 6: Final answer
    x = 9,079.41

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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.