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Finding the Fourth Proportional to 13,345, 20,017.04 and 6,328.37

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Solution

The fourth proportional to 13,345, 20,017.04 and 6,328.37 is: 9,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345 : 20,017.04 = 6,328.37 : x
  2. Step 2: Convert to fraction form
    13,345/20,017.04 = 6,328.37/x
  3. Step 3: Cross multiply
    13,345x = 20,017.04 × 6,328.37
  4. Step 4: Simplify right side
    13,345x = 126,675,235.42
  5. Step 5: Solve for x
    x = 126,675,235.42/13,345
  6. Step 6: Final answer
    x = 9,492.34

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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.