Home / 13,859.31-20,783.57-4,497.06

Finding the Fourth Proportional to 13,859.31, 20,783.57 and 4,497.06

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Solution

The fourth proportional to 13,859.31, 20,783.57 and 4,497.06 is: 6,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.31 : 20,783.57 = 4,497.06 : x
  2. Step 2: Convert to fraction form
    13,859.31/20,783.57 = 4,497.06/x
  3. Step 3: Cross multiply
    13,859.31x = 20,783.57 × 4,497.06
  4. Step 4: Simplify right side
    13,859.31x = 93,464,938.82
  5. Step 5: Solve for x
    x = 93,464,938.82/13,859.31
  6. Step 6: Final answer
    x = 6,743.84

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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.