Home / 19,624.84-27,079.98-11,127.94

Finding the Fourth Proportional to 19,624.84, 27,079.98 and 11,127.94

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Solution

The fourth proportional to 19,624.84, 27,079.98 and 11,127.94 is: 15,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.84 : 27,079.98 = 11,127.94 : x
  2. Step 2: Convert to fraction form
    19,624.84/27,079.98 = 11,127.94/x
  3. Step 3: Cross multiply
    19,624.84x = 27,079.98 × 11,127.94
  4. Step 4: Simplify right side
    19,624.84x = 301,344,392.64
  5. Step 5: Solve for x
    x = 301,344,392.64/19,624.84
  6. Step 6: Final answer
    x = 15,355.25

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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.