Home / 10,628.91-15,929.50-6,624.64

Finding the Fourth Proportional to 10,628.91, 15,929.50 and 6,624.64

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Solution

The fourth proportional to 10,628.91, 15,929.50 and 6,624.64 is: 9,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.91 : 15,929.50 = 6,624.64 : x
  2. Step 2: Convert to fraction form
    10,628.91/15,929.50 = 6,624.64/x
  3. Step 3: Cross multiply
    10,628.91x = 15,929.50 × 6,624.64
  4. Step 4: Simplify right side
    10,628.91x = 105,527,202.88
  5. Step 5: Solve for x
    x = 105,527,202.88/10,628.91
  6. Step 6: Final answer
    x = 9,928.32

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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.