Home / 12,558.96-18,836.16-4,765.92

Finding the Fourth Proportional to 12,558.96, 18,836.16 and 4,765.92

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Solution

The fourth proportional to 12,558.96, 18,836.16 and 4,765.92 is: 7,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.96 : 18,836.16 = 4,765.92 : x
  2. Step 2: Convert to fraction form
    12,558.96/18,836.16 = 4,765.92/x
  3. Step 3: Cross multiply
    12,558.96x = 18,836.16 × 4,765.92
  4. Step 4: Simplify right side
    12,558.96x = 89,771,631.67
  5. Step 5: Solve for x
    x = 89,771,631.67/12,558.96
  6. Step 6: Final answer
    x = 7,148.01

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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.