Home / 13,877.08-20,808.18-6,076.72

Finding the Fourth Proportional to 13,877.08, 20,808.18 and 6,076.72

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Solution

The fourth proportional to 13,877.08, 20,808.18 and 6,076.72 is: 9,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.08 : 20,808.18 = 6,076.72 : x
  2. Step 2: Convert to fraction form
    13,877.08/20,808.18 = 6,076.72/x
  3. Step 3: Cross multiply
    13,877.08x = 20,808.18 × 6,076.72
  4. Step 4: Simplify right side
    13,877.08x = 126,445,483.57
  5. Step 5: Solve for x
    x = 126,445,483.57/13,877.08
  6. Step 6: Final answer
    x = 9,111.82

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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.