Home / 14,277.87-21,419.95-4,282.21

Finding the Fourth Proportional to 14,277.87, 21,419.95 and 4,282.21

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Solution

The fourth proportional to 14,277.87, 21,419.95 and 4,282.21 is: 6,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.87 : 21,419.95 = 4,282.21 : x
  2. Step 2: Convert to fraction form
    14,277.87/21,419.95 = 4,282.21/x
  3. Step 3: Cross multiply
    14,277.87x = 21,419.95 × 4,282.21
  4. Step 4: Simplify right side
    14,277.87x = 91,724,724.09
  5. Step 5: Solve for x
    x = 91,724,724.09/14,277.87
  6. Step 6: Final answer
    x = 6,424.26

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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.