Home / 14,188.05-21,281.31-4,326.51

Finding the Fourth Proportional to 14,188.05, 21,281.31 and 4,326.51

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Solution

The fourth proportional to 14,188.05, 21,281.31 and 4,326.51 is: 6,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.05 : 21,281.31 = 4,326.51 : x
  2. Step 2: Convert to fraction form
    14,188.05/21,281.31 = 4,326.51/x
  3. Step 3: Cross multiply
    14,188.05x = 21,281.31 × 4,326.51
  4. Step 4: Simplify right side
    14,188.05x = 92,073,800.53
  5. Step 5: Solve for x
    x = 92,073,800.53/14,188.05
  6. Step 6: Final answer
    x = 6,489.53

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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.