Home / 13,550-20,326.08-4,316

Finding the Fourth Proportional to 13,550, 20,326.08 and 4,316

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Solution

The fourth proportional to 13,550, 20,326.08 and 4,316 is: 6,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550 : 20,326.08 = 4,316 : x
  2. Step 2: Convert to fraction form
    13,550/20,326.08 = 4,316/x
  3. Step 3: Cross multiply
    13,550x = 20,326.08 × 4,316
  4. Step 4: Simplify right side
    13,550x = 87,727,361.28
  5. Step 5: Solve for x
    x = 87,727,361.28/13,550
  6. Step 6: Final answer
    x = 6,474.34

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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.