Home / 14,323.84-19,787.20-13,632.64

Finding the Fourth Proportional to 14,323.84, 19,787.20 and 13,632.64

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Solution

The fourth proportional to 14,323.84, 19,787.20 and 13,632.64 is: 18,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.84 : 19,787.20 = 13,632.64 : x
  2. Step 2: Convert to fraction form
    14,323.84/19,787.20 = 13,632.64/x
  3. Step 3: Cross multiply
    14,323.84x = 19,787.20 × 13,632.64
  4. Step 4: Simplify right side
    14,323.84x = 269,751,774.21
  5. Step 5: Solve for x
    x = 269,751,774.21/14,323.84
  6. Step 6: Final answer
    x = 18,832.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.