Home / 14,538.97-21,808.38-5,179.35

Finding the Fourth Proportional to 14,538.97, 21,808.38 and 5,179.35

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Solution

The fourth proportional to 14,538.97, 21,808.38 and 5,179.35 is: 7,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.97 : 21,808.38 = 5,179.35 : x
  2. Step 2: Convert to fraction form
    14,538.97/21,808.38 = 5,179.35/x
  3. Step 3: Cross multiply
    14,538.97x = 21,808.38 × 5,179.35
  4. Step 4: Simplify right side
    14,538.97x = 112,953,232.95
  5. Step 5: Solve for x
    x = 112,953,232.95/14,538.97
  6. Step 6: Final answer
    x = 7,769.00

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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.