Home / 13,875.64-20,801.94-6,476.28

Finding the Fourth Proportional to 13,875.64, 20,801.94 and 6,476.28

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Solution

The fourth proportional to 13,875.64, 20,801.94 and 6,476.28 is: 9,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.64 : 20,801.94 = 6,476.28 : x
  2. Step 2: Convert to fraction form
    13,875.64/20,801.94 = 6,476.28/x
  3. Step 3: Cross multiply
    13,875.64x = 20,801.94 × 6,476.28
  4. Step 4: Simplify right side
    13,875.64x = 134,719,187.98
  5. Step 5: Solve for x
    x = 134,719,187.98/13,875.64
  6. Step 6: Final answer
    x = 9,709.04

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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.