Home / 13,630.23-18,824.00-9,392.31

Finding the Fourth Proportional to 13,630.23, 18,824.00 and 9,392.31

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Solution

The fourth proportional to 13,630.23, 18,824.00 and 9,392.31 is: 12,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.23 : 18,824.00 = 9,392.31 : x
  2. Step 2: Convert to fraction form
    13,630.23/18,824.00 = 9,392.31/x
  3. Step 3: Cross multiply
    13,630.23x = 18,824.00 × 9,392.31
  4. Step 4: Simplify right side
    13,630.23x = 176,800,796.48
  5. Step 5: Solve for x
    x = 176,800,796.48/13,630.23
  6. Step 6: Final answer
    x = 12,971.23

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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.