Home / 8,653.23-11,942.37-5,298.30

Finding the Fourth Proportional to 8,653.23, 11,942.37 and 5,298.30

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Solution

The fourth proportional to 8,653.23, 11,942.37 and 5,298.30 is: 7,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.23 : 11,942.37 = 5,298.30 : x
  2. Step 2: Convert to fraction form
    8,653.23/11,942.37 = 5,298.30/x
  3. Step 3: Cross multiply
    8,653.23x = 11,942.37 × 5,298.30
  4. Step 4: Simplify right side
    8,653.23x = 63,274,258.97
  5. Step 5: Solve for x
    x = 63,274,258.97/8,653.23
  6. Step 6: Final answer
    x = 7,312.21

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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.