Home / 12,336.55-17,013.67-8,744.40

Finding the Fourth Proportional to 12,336.55, 17,013.67 and 8,744.40

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Solution

The fourth proportional to 12,336.55, 17,013.67 and 8,744.40 is: 12,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.55 : 17,013.67 = 8,744.40 : x
  2. Step 2: Convert to fraction form
    12,336.55/17,013.67 = 8,744.40/x
  3. Step 3: Cross multiply
    12,336.55x = 17,013.67 × 8,744.40
  4. Step 4: Simplify right side
    12,336.55x = 148,774,335.95
  5. Step 5: Solve for x
    x = 148,774,335.95/12,336.55
  6. Step 6: Final answer
    x = 12,059.64

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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.