Home / 18,646.49-27,965.46-5,319.23

Finding the Fourth Proportional to 18,646.49, 27,965.46 and 5,319.23

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Solution

The fourth proportional to 18,646.49, 27,965.46 and 5,319.23 is: 7,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.49 : 27,965.46 = 5,319.23 : x
  2. Step 2: Convert to fraction form
    18,646.49/27,965.46 = 5,319.23/x
  3. Step 3: Cross multiply
    18,646.49x = 27,965.46 × 5,319.23
  4. Step 4: Simplify right side
    18,646.49x = 148,754,713.80
  5. Step 5: Solve for x
    x = 148,754,713.80/18,646.49
  6. Step 6: Final answer
    x = 7,977.63

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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.