Home / 14,135.04-21,200.64-5,372.16

Finding the Fourth Proportional to 14,135.04, 21,200.64 and 5,372.16

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Solution

The fourth proportional to 14,135.04, 21,200.64 and 5,372.16 is: 8,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.04 : 21,200.64 = 5,372.16 : x
  2. Step 2: Convert to fraction form
    14,135.04/21,200.64 = 5,372.16/x
  3. Step 3: Cross multiply
    14,135.04x = 21,200.64 × 5,372.16
  4. Step 4: Simplify right side
    14,135.04x = 113,893,230.18
  5. Step 5: Solve for x
    x = 113,893,230.18/14,135.04
  6. Step 6: Final answer
    x = 8,057.51

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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.