Home / 14,697.40-20,258.82-11,505.28

Finding the Fourth Proportional to 14,697.40, 20,258.82 and 11,505.28

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Solution

The fourth proportional to 14,697.40, 20,258.82 and 11,505.28 is: 15,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.40 : 20,258.82 = 11,505.28 : x
  2. Step 2: Convert to fraction form
    14,697.40/20,258.82 = 11,505.28/x
  3. Step 3: Cross multiply
    14,697.40x = 20,258.82 × 11,505.28
  4. Step 4: Simplify right side
    14,697.40x = 233,083,396.57
  5. Step 5: Solve for x
    x = 233,083,396.57/14,697.40
  6. Step 6: Final answer
    x = 15,858.82

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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.