Home / 18,873.40-26,000.29-13,197.54

Finding the Fourth Proportional to 18,873.40, 26,000.29 and 13,197.54

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Solution

The fourth proportional to 18,873.40, 26,000.29 and 13,197.54 is: 18,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.40 : 26,000.29 = 13,197.54 : x
  2. Step 2: Convert to fraction form
    18,873.40/26,000.29 = 13,197.54/x
  3. Step 3: Cross multiply
    18,873.40x = 26,000.29 × 13,197.54
  4. Step 4: Simplify right side
    18,873.40x = 343,139,867.29
  5. Step 5: Solve for x
    x = 343,139,867.29/18,873.40
  6. Step 6: Final answer
    x = 18,181.14

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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.