Home / 10,217.81-15,325.09-4,667.69

Finding the Fourth Proportional to 10,217.81, 15,325.09 and 4,667.69

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Solution

The fourth proportional to 10,217.81, 15,325.09 and 4,667.69 is: 7,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.81 : 15,325.09 = 4,667.69 : x
  2. Step 2: Convert to fraction form
    10,217.81/15,325.09 = 4,667.69/x
  3. Step 3: Cross multiply
    10,217.81x = 15,325.09 × 4,667.69
  4. Step 4: Simplify right side
    10,217.81x = 71,532,769.34
  5. Step 5: Solve for x
    x = 71,532,769.34/10,217.81
  6. Step 6: Final answer
    x = 7,000.79

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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.