Home / 14,089.56-21,134.58-5,328.60

Finding the Fourth Proportional to 14,089.56, 21,134.58 and 5,328.60

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Solution

The fourth proportional to 14,089.56, 21,134.58 and 5,328.60 is: 7,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.56 : 21,134.58 = 5,328.60 : x
  2. Step 2: Convert to fraction form
    14,089.56/21,134.58 = 5,328.60/x
  3. Step 3: Cross multiply
    14,089.56x = 21,134.58 × 5,328.60
  4. Step 4: Simplify right side
    14,089.56x = 112,617,722.99
  5. Step 5: Solve for x
    x = 112,617,722.99/14,089.56
  6. Step 6: Final answer
    x = 7,992.99

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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.