Home / 10,627.91-15,928.01-6,623.64

Finding the Fourth Proportional to 10,627.91, 15,928.01 and 6,623.64

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Solution

The fourth proportional to 10,627.91, 15,928.01 and 6,623.64 is: 9,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.91 : 15,928.01 = 6,623.64 : x
  2. Step 2: Convert to fraction form
    10,627.91/15,928.01 = 6,623.64/x
  3. Step 3: Cross multiply
    10,627.91x = 15,928.01 × 6,623.64
  4. Step 4: Simplify right side
    10,627.91x = 105,501,371.04
  5. Step 5: Solve for x
    x = 105,501,371.04/10,627.91
  6. Step 6: Final answer
    x = 9,926.83

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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.