Home / 14,010.08-20,969.76-10,311.52

Finding the Fourth Proportional to 14,010.08, 20,969.76 and 10,311.52

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Solution

The fourth proportional to 14,010.08, 20,969.76 and 10,311.52 is: 15,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.08 : 20,969.76 = 10,311.52 : x
  2. Step 2: Convert to fraction form
    14,010.08/20,969.76 = 10,311.52/x
  3. Step 3: Cross multiply
    14,010.08x = 20,969.76 × 10,311.52
  4. Step 4: Simplify right side
    14,010.08x = 216,230,099.64
  5. Step 5: Solve for x
    x = 216,230,099.64/14,010.08
  6. Step 6: Final answer
    x = 15,433.89

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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.