Home / 12,624.96-18,937.68-4,306.88

Finding the Fourth Proportional to 12,624.96, 18,937.68 and 4,306.88

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Solution

The fourth proportional to 12,624.96, 18,937.68 and 4,306.88 is: 6,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.96 : 18,937.68 = 4,306.88 : x
  2. Step 2: Convert to fraction form
    12,624.96/18,937.68 = 4,306.88/x
  3. Step 3: Cross multiply
    12,624.96x = 18,937.68 × 4,306.88
  4. Step 4: Simplify right side
    12,624.96x = 81,562,315.24
  5. Step 5: Solve for x
    x = 81,562,315.24/12,624.96
  6. Step 6: Final answer
    x = 6,460.40

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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.