Home / 14,123.21-21,187.55-5,364.27

Finding the Fourth Proportional to 14,123.21, 21,187.55 and 5,364.27

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Solution

The fourth proportional to 14,123.21, 21,187.55 and 5,364.27 is: 8,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.21 : 21,187.55 = 5,364.27 : x
  2. Step 2: Convert to fraction form
    14,123.21/21,187.55 = 5,364.27/x
  3. Step 3: Cross multiply
    14,123.21x = 21,187.55 × 5,364.27
  4. Step 4: Simplify right side
    14,123.21x = 113,655,764.99
  5. Step 5: Solve for x
    x = 113,655,764.99/14,123.21
  6. Step 6: Final answer
    x = 8,047.45

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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.