Home / 14,232.80-21,455.96-13,281.32

Finding the Fourth Proportional to 14,232.80, 21,455.96 and 13,281.32

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Solution

The fourth proportional to 14,232.80, 21,455.96 and 13,281.32 is: 20,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.80 : 21,455.96 = 13,281.32 : x
  2. Step 2: Convert to fraction form
    14,232.80/21,455.96 = 13,281.32/x
  3. Step 3: Cross multiply
    14,232.80x = 21,455.96 × 13,281.32
  4. Step 4: Simplify right side
    14,232.80x = 284,963,470.67
  5. Step 5: Solve for x
    x = 284,963,470.67/14,232.80
  6. Step 6: Final answer
    x = 20,021.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.