Home / 11,885.43-16,402.59-6,580.35

Finding the Fourth Proportional to 11,885.43, 16,402.59 and 6,580.35

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Solution

The fourth proportional to 11,885.43, 16,402.59 and 6,580.35 is: 9,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.43 : 16,402.59 = 6,580.35 : x
  2. Step 2: Convert to fraction form
    11,885.43/16,402.59 = 6,580.35/x
  3. Step 3: Cross multiply
    11,885.43x = 16,402.59 × 6,580.35
  4. Step 4: Simplify right side
    11,885.43x = 107,934,783.11
  5. Step 5: Solve for x
    x = 107,934,783.11/11,885.43
  6. Step 6: Final answer
    x = 9,081.27

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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.