Home / 14,516.35-20,032.79-8,144.35

Finding the Fourth Proportional to 14,516.35, 20,032.79 and 8,144.35

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Solution

The fourth proportional to 14,516.35, 20,032.79 and 8,144.35 is: 11,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.35 : 20,032.79 = 8,144.35 : x
  2. Step 2: Convert to fraction form
    14,516.35/20,032.79 = 8,144.35/x
  3. Step 3: Cross multiply
    14,516.35x = 20,032.79 × 8,144.35
  4. Step 4: Simplify right side
    14,516.35x = 163,154,075.12
  5. Step 5: Solve for x
    x = 163,154,075.12/14,516.35
  6. Step 6: Final answer
    x = 11,239.33

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Similar ratio
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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.