Home / 19,623.50-27,080.70-11,240

Finding the Fourth Proportional to 19,623.50, 27,080.70 and 11,240

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Solution

The fourth proportional to 19,623.50, 27,080.70 and 11,240 is: 15,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.50 : 27,080.70 = 11,240 : x
  2. Step 2: Convert to fraction form
    19,623.50/27,080.70 = 11,240/x
  3. Step 3: Cross multiply
    19,623.50x = 27,080.70 × 11,240
  4. Step 4: Simplify right side
    19,623.50x = 304,387,068
  5. Step 5: Solve for x
    x = 304,387,068/19,623.50
  6. Step 6: Final answer
    x = 15,511.35

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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.