Home / 15,505.70-23,258.55-5,116.10

Finding the Fourth Proportional to 15,505.70, 23,258.55 and 5,116.10

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Solution

The fourth proportional to 15,505.70, 23,258.55 and 5,116.10 is: 7,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.70 : 23,258.55 = 5,116.10 : x
  2. Step 2: Convert to fraction form
    15,505.70/23,258.55 = 5,116.10/x
  3. Step 3: Cross multiply
    15,505.70x = 23,258.55 × 5,116.10
  4. Step 4: Simplify right side
    15,505.70x = 118,993,067.66
  5. Step 5: Solve for x
    x = 118,993,067.66/15,505.70
  6. Step 6: Final answer
    x = 7,674.15

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1.5x scale

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.