Home / 13,767.23-18,988.20-9,283.88

Finding the Fourth Proportional to 13,767.23, 18,988.20 and 9,283.88

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Solution

The fourth proportional to 13,767.23, 18,988.20 and 9,283.88 is: 12,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.23 : 18,988.20 = 9,283.88 : x
  2. Step 2: Convert to fraction form
    13,767.23/18,988.20 = 9,283.88/x
  3. Step 3: Cross multiply
    13,767.23x = 18,988.20 × 9,283.88
  4. Step 4: Simplify right side
    13,767.23x = 176,284,170.22
  5. Step 5: Solve for x
    x = 176,284,170.22/13,767.23
  6. Step 6: Final answer
    x = 12,804.62

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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.