Home / 11,326.64-15,620.04-9,440.55

Finding the Fourth Proportional to 11,326.64, 15,620.04 and 9,440.55

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Solution

The fourth proportional to 11,326.64, 15,620.04 and 9,440.55 is: 13,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.64 : 15,620.04 = 9,440.55 : x
  2. Step 2: Convert to fraction form
    11,326.64/15,620.04 = 9,440.55/x
  3. Step 3: Cross multiply
    11,326.64x = 15,620.04 × 9,440.55
  4. Step 4: Simplify right side
    11,326.64x = 147,461,768.62
  5. Step 5: Solve for x
    x = 147,461,768.62/11,326.64
  6. Step 6: Final answer
    x = 13,019.03

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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.