Home / 10,158.60-15,237.87-4,311.12

Finding the Fourth Proportional to 10,158.60, 15,237.87 and 4,311.12

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Solution

The fourth proportional to 10,158.60, 15,237.87 and 4,311.12 is: 6,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.60 : 15,237.87 = 4,311.12 : x
  2. Step 2: Convert to fraction form
    10,158.60/15,237.87 = 4,311.12/x
  3. Step 3: Cross multiply
    10,158.60x = 15,237.87 × 4,311.12
  4. Step 4: Simplify right side
    10,158.60x = 65,692,286.11
  5. Step 5: Solve for x
    x = 65,692,286.11/10,158.60
  6. Step 6: Final answer
    x = 6,466.67

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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.