Home / 18,926.13-26,090.06-12,119.43

Finding the Fourth Proportional to 18,926.13, 26,090.06 and 12,119.43

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Solution

The fourth proportional to 18,926.13, 26,090.06 and 12,119.43 is: 16,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.13 : 26,090.06 = 12,119.43 : x
  2. Step 2: Convert to fraction form
    18,926.13/26,090.06 = 12,119.43/x
  3. Step 3: Cross multiply
    18,926.13x = 26,090.06 × 12,119.43
  4. Step 4: Simplify right side
    18,926.13x = 316,196,595.27
  5. Step 5: Solve for x
    x = 316,196,595.27/18,926.13
  6. Step 6: Final answer
    x = 16,706.88

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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.