Home / 14,259.40-21,389.96-5,494.32

Finding the Fourth Proportional to 14,259.40, 21,389.96 and 5,494.32

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Solution

The fourth proportional to 14,259.40, 21,389.96 and 5,494.32 is: 8,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.40 : 21,389.96 = 5,494.32 : x
  2. Step 2: Convert to fraction form
    14,259.40/21,389.96 = 5,494.32/x
  3. Step 3: Cross multiply
    14,259.40x = 21,389.96 × 5,494.32
  4. Step 4: Simplify right side
    14,259.40x = 117,523,285.03
  5. Step 5: Solve for x
    x = 117,523,285.03/14,259.40
  6. Step 6: Final answer
    x = 8,241.81

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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.