Home / 14,157.84-21,238.56-4,295.64

Finding the Fourth Proportional to 14,157.84, 21,238.56 and 4,295.64

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Solution

The fourth proportional to 14,157.84, 21,238.56 and 4,295.64 is: 6,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.84 : 21,238.56 = 4,295.64 : x
  2. Step 2: Convert to fraction form
    14,157.84/21,238.56 = 4,295.64/x
  3. Step 3: Cross multiply
    14,157.84x = 21,238.56 × 4,295.64
  4. Step 4: Simplify right side
    14,157.84x = 91,233,207.88
  5. Step 5: Solve for x
    x = 91,233,207.88/14,157.84
  6. Step 6: Final answer
    x = 6,444.01

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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.