Home / 14,157.84-21,236.28-4,296.72

Finding the Fourth Proportional to 14,157.84, 21,236.28 and 4,296.72

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Solution

The fourth proportional to 14,157.84, 21,236.28 and 4,296.72 is: 6,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.84 : 21,236.28 = 4,296.72 : x
  2. Step 2: Convert to fraction form
    14,157.84/21,236.28 = 4,296.72/x
  3. Step 3: Cross multiply
    14,157.84x = 21,236.28 × 4,296.72
  4. Step 4: Simplify right side
    14,157.84x = 91,246,349.00
  5. Step 5: Solve for x
    x = 91,246,349.00/14,157.84
  6. Step 6: Final answer
    x = 6,444.93

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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.