Home / 12,376.98-17,086.86-9,558.93

Finding the Fourth Proportional to 12,376.98, 17,086.86 and 9,558.93

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Solution

The fourth proportional to 12,376.98, 17,086.86 and 9,558.93 is: 13,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.98 : 17,086.86 = 9,558.93 : x
  2. Step 2: Convert to fraction form
    12,376.98/17,086.86 = 9,558.93/x
  3. Step 3: Cross multiply
    12,376.98x = 17,086.86 × 9,558.93
  4. Step 4: Simplify right side
    12,376.98x = 163,332,198.58
  5. Step 5: Solve for x
    x = 163,332,198.58/12,376.98
  6. Step 6: Final answer
    x = 13,196.45

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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.