Home / 12,631.08-18,944.06-4,306.58

Finding the Fourth Proportional to 12,631.08, 18,944.06 and 4,306.58

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Solution

The fourth proportional to 12,631.08, 18,944.06 and 4,306.58 is: 6,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.08 : 18,944.06 = 4,306.58 : x
  2. Step 2: Convert to fraction form
    12,631.08/18,944.06 = 4,306.58/x
  3. Step 3: Cross multiply
    12,631.08x = 18,944.06 × 4,306.58
  4. Step 4: Simplify right side
    12,631.08x = 81,584,168.04
  5. Step 5: Solve for x
    x = 81,584,168.04/12,631.08
  6. Step 6: Final answer
    x = 6,459.00

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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.