Home / 12,305.24-18,459.68-4,807.32

Finding the Fourth Proportional to 12,305.24, 18,459.68 and 4,807.32

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Solution

The fourth proportional to 12,305.24, 18,459.68 and 4,807.32 is: 7,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.24 : 18,459.68 = 4,807.32 : x
  2. Step 2: Convert to fraction form
    12,305.24/18,459.68 = 4,807.32/x
  3. Step 3: Cross multiply
    12,305.24x = 18,459.68 × 4,807.32
  4. Step 4: Simplify right side
    12,305.24x = 88,741,564.82
  5. Step 5: Solve for x
    x = 88,741,564.82/12,305.24
  6. Step 6: Final answer
    x = 7,211.69

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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.