Home / 14,243.54-21,365.64-4,382.90

Finding the Fourth Proportional to 14,243.54, 21,365.64 and 4,382.90

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Solution

The fourth proportional to 14,243.54, 21,365.64 and 4,382.90 is: 6,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.54 : 21,365.64 = 4,382.90 : x
  2. Step 2: Convert to fraction form
    14,243.54/21,365.64 = 4,382.90/x
  3. Step 3: Cross multiply
    14,243.54x = 21,365.64 × 4,382.90
  4. Step 4: Simplify right side
    14,243.54x = 93,643,463.56
  5. Step 5: Solve for x
    x = 93,643,463.56/14,243.54
  6. Step 6: Final answer
    x = 6,574.45

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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.