Home / 13,818.34-19,054.25-9,334.31

Finding the Fourth Proportional to 13,818.34, 19,054.25 and 9,334.31

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Solution

The fourth proportional to 13,818.34, 19,054.25 and 9,334.31 is: 12,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.34 : 19,054.25 = 9,334.31 : x
  2. Step 2: Convert to fraction form
    13,818.34/19,054.25 = 9,334.31/x
  3. Step 3: Cross multiply
    13,818.34x = 19,054.25 × 9,334.31
  4. Step 4: Simplify right side
    13,818.34x = 177,858,169.38
  5. Step 5: Solve for x
    x = 177,858,169.38/13,818.34
  6. Step 6: Final answer
    x = 12,871.17

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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.