Home / 13,364.72-20,047.08-4,005.72

Finding the Fourth Proportional to 13,364.72, 20,047.08 and 4,005.72

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Solution

The fourth proportional to 13,364.72, 20,047.08 and 4,005.72 is: 6,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.72 : 20,047.08 = 4,005.72 : x
  2. Step 2: Convert to fraction form
    13,364.72/20,047.08 = 4,005.72/x
  3. Step 3: Cross multiply
    13,364.72x = 20,047.08 × 4,005.72
  4. Step 4: Simplify right side
    13,364.72x = 80,302,989.30
  5. Step 5: Solve for x
    x = 80,302,989.30/13,364.72
  6. Step 6: Final answer
    x = 6,008.58

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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.