Home / 18,416.45-25,414.02-11,258.34

Finding the Fourth Proportional to 18,416.45, 25,414.02 and 11,258.34

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Solution

The fourth proportional to 18,416.45, 25,414.02 and 11,258.34 is: 15,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.45 : 25,414.02 = 11,258.34 : x
  2. Step 2: Convert to fraction form
    18,416.45/25,414.02 = 11,258.34/x
  3. Step 3: Cross multiply
    18,416.45x = 25,414.02 × 11,258.34
  4. Step 4: Simplify right side
    18,416.45x = 286,119,677.93
  5. Step 5: Solve for x
    x = 286,119,677.93/18,416.45
  6. Step 6: Final answer
    x = 15,536.10

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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.