Home / 13,409.94-20,107.06-4,047.15

Finding the Fourth Proportional to 13,409.94, 20,107.06 and 4,047.15

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Solution

The fourth proportional to 13,409.94, 20,107.06 and 4,047.15 is: 6,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.94 : 20,107.06 = 4,047.15 : x
  2. Step 2: Convert to fraction form
    13,409.94/20,107.06 = 4,047.15/x
  3. Step 3: Cross multiply
    13,409.94x = 20,107.06 × 4,047.15
  4. Step 4: Simplify right side
    13,409.94x = 81,376,187.34
  5. Step 5: Solve for x
    x = 81,376,187.34/13,409.94
  6. Step 6: Final answer
    x = 6,068.35

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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.