Home / 13,336.16-20,000.72-3,973.68

Finding the Fourth Proportional to 13,336.16, 20,000.72 and 3,973.68

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Solution

The fourth proportional to 13,336.16, 20,000.72 and 3,973.68 is: 5,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.16 : 20,000.72 = 3,973.68 : x
  2. Step 2: Convert to fraction form
    13,336.16/20,000.72 = 3,973.68/x
  3. Step 3: Cross multiply
    13,336.16x = 20,000.72 × 3,973.68
  4. Step 4: Simplify right side
    13,336.16x = 79,476,461.05
  5. Step 5: Solve for x
    x = 79,476,461.05/13,336.16
  6. Step 6: Final answer
    x = 5,959.47

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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.