Home / 13,304.70-18,364.32-9,326.79

Finding the Fourth Proportional to 13,304.70, 18,364.32 and 9,326.79

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Solution

The fourth proportional to 13,304.70, 18,364.32 and 9,326.79 is: 12,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.70 : 18,364.32 = 9,326.79 : x
  2. Step 2: Convert to fraction form
    13,304.70/18,364.32 = 9,326.79/x
  3. Step 3: Cross multiply
    13,304.70x = 18,364.32 × 9,326.79
  4. Step 4: Simplify right side
    13,304.70x = 171,280,156.13
  5. Step 5: Solve for x
    x = 171,280,156.13/13,304.70
  6. Step 6: Final answer
    x = 12,873.66

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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.