Home / 14,200.99-21,299.02-5,313.94

Finding the Fourth Proportional to 14,200.99, 21,299.02 and 5,313.94

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Solution

The fourth proportional to 14,200.99, 21,299.02 and 5,313.94 is: 7,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200.99 : 21,299.02 = 5,313.94 : x
  2. Step 2: Convert to fraction form
    14,200.99/21,299.02 = 5,313.94/x
  3. Step 3: Cross multiply
    14,200.99x = 21,299.02 × 5,313.94
  4. Step 4: Simplify right side
    14,200.99x = 113,181,647.81
  5. Step 5: Solve for x
    x = 113,181,647.81/14,200.99
  6. Step 6: Final answer
    x = 7,969.98

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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.