Home / 14,065.28-21,090.72-7,493.12

Finding the Fourth Proportional to 14,065.28, 21,090.72 and 7,493.12

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Solution

The fourth proportional to 14,065.28, 21,090.72 and 7,493.12 is: 11,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.28 : 21,090.72 = 7,493.12 : x
  2. Step 2: Convert to fraction form
    14,065.28/21,090.72 = 7,493.12/x
  3. Step 3: Cross multiply
    14,065.28x = 21,090.72 × 7,493.12
  4. Step 4: Simplify right side
    14,065.28x = 158,035,295.85
  5. Step 5: Solve for x
    x = 158,035,295.85/14,065.28
  6. Step 6: Final answer
    x = 11,235.84

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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.