Home / 18,855.34-26,018.49-11,299.66

Finding the Fourth Proportional to 18,855.34, 26,018.49 and 11,299.66

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Solution

The fourth proportional to 18,855.34, 26,018.49 and 11,299.66 is: 15,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.34 : 26,018.49 = 11,299.66 : x
  2. Step 2: Convert to fraction form
    18,855.34/26,018.49 = 11,299.66/x
  3. Step 3: Cross multiply
    18,855.34x = 26,018.49 × 11,299.66
  4. Step 4: Simplify right side
    18,855.34x = 294,000,090.71
  5. Step 5: Solve for x
    x = 294,000,090.71/18,855.34
  6. Step 6: Final answer
    x = 15,592.40

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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.