Home / 19,624.13-27,080.74-11,127.07

Finding the Fourth Proportional to 19,624.13, 27,080.74 and 11,127.07

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Solution

The fourth proportional to 19,624.13, 27,080.74 and 11,127.07 is: 15,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.13 : 27,080.74 = 11,127.07 : x
  2. Step 2: Convert to fraction form
    19,624.13/27,080.74 = 11,127.07/x
  3. Step 3: Cross multiply
    19,624.13x = 27,080.74 × 11,127.07
  4. Step 4: Simplify right side
    19,624.13x = 301,329,194.11
  5. Step 5: Solve for x
    x = 301,329,194.11/19,624.13
  6. Step 6: Final answer
    x = 15,355.03

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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.