Home / 15,489.54-23,258.00-13,656.11

Finding the Fourth Proportional to 15,489.54, 23,258.00 and 13,656.11

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Solution

The fourth proportional to 15,489.54, 23,258.00 and 13,656.11 is: 20,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.54 : 23,258.00 = 13,656.11 : x
  2. Step 2: Convert to fraction form
    15,489.54/23,258.00 = 13,656.11/x
  3. Step 3: Cross multiply
    15,489.54x = 23,258.00 × 13,656.11
  4. Step 4: Simplify right side
    15,489.54x = 317,613,724.23
  5. Step 5: Solve for x
    x = 317,613,724.23/15,489.54
  6. Step 6: Final answer
    x = 20,505.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.