Home / 15,506.64-21,406.68-14,511.96

Finding the Fourth Proportional to 15,506.64, 21,406.68 and 14,511.96

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Solution

The fourth proportional to 15,506.64, 21,406.68 and 14,511.96 is: 20,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.64 : 21,406.68 = 14,511.96 : x
  2. Step 2: Convert to fraction form
    15,506.64/21,406.68 = 14,511.96/x
  3. Step 3: Cross multiply
    15,506.64x = 21,406.68 × 14,511.96
  4. Step 4: Simplify right side
    15,506.64x = 310,652,883.89
  5. Step 5: Solve for x
    x = 310,652,883.89/15,506.64
  6. Step 6: Final answer
    x = 20,033.54

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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.