Home / 10,658.38-15,988.47-2,867.62

Finding the Fourth Proportional to 10,658.38, 15,988.47 and 2,867.62

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Solution

The fourth proportional to 10,658.38, 15,988.47 and 2,867.62 is: 4,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.38 : 15,988.47 = 2,867.62 : x
  2. Step 2: Convert to fraction form
    10,658.38/15,988.47 = 2,867.62/x
  3. Step 3: Cross multiply
    10,658.38x = 15,988.47 × 2,867.62
  4. Step 4: Simplify right side
    10,658.38x = 45,848,856.34
  5. Step 5: Solve for x
    x = 45,848,856.34/10,658.38
  6. Step 6: Final answer
    x = 4,301.67

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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.