Home / 19,774.68-27,298.86-13,519.80

Finding the Fourth Proportional to 19,774.68, 27,298.86 and 13,519.80

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Solution

The fourth proportional to 19,774.68, 27,298.86 and 13,519.80 is: 18,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.68 : 27,298.86 = 13,519.80 : x
  2. Step 2: Convert to fraction form
    19,774.68/27,298.86 = 13,519.80/x
  3. Step 3: Cross multiply
    19,774.68x = 27,298.86 × 13,519.80
  4. Step 4: Simplify right side
    19,774.68x = 369,075,127.43
  5. Step 5: Solve for x
    x = 369,075,127.43/19,774.68
  6. Step 6: Final answer
    x = 18,664.03

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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.