Home / 14,669.19-20,211.75-9,945.27

Finding the Fourth Proportional to 14,669.19, 20,211.75 and 9,945.27

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Solution

The fourth proportional to 14,669.19, 20,211.75 and 9,945.27 is: 13,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.19 : 20,211.75 = 9,945.27 : x
  2. Step 2: Convert to fraction form
    14,669.19/20,211.75 = 9,945.27/x
  3. Step 3: Cross multiply
    14,669.19x = 20,211.75 × 9,945.27
  4. Step 4: Simplify right side
    14,669.19x = 201,011,310.92
  5. Step 5: Solve for x
    x = 201,011,310.92/14,669.19
  6. Step 6: Final answer
    x = 13,702.96

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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.