Home / 11,258.28-15,528.36-7,901.84

Finding the Fourth Proportional to 11,258.28, 15,528.36 and 7,901.84

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Solution

The fourth proportional to 11,258.28, 15,528.36 and 7,901.84 is: 10,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.28 : 15,528.36 = 7,901.84 : x
  2. Step 2: Convert to fraction form
    11,258.28/15,528.36 = 7,901.84/x
  3. Step 3: Cross multiply
    11,258.28x = 15,528.36 × 7,901.84
  4. Step 4: Simplify right side
    11,258.28x = 122,702,626.40
  5. Step 5: Solve for x
    x = 122,702,626.40/11,258.28
  6. Step 6: Final answer
    x = 10,898.88

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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.