Home / 18,148.23-27,215.31-7,053.46

Finding the Fourth Proportional to 18,148.23, 27,215.31 and 7,053.46

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Solution

The fourth proportional to 18,148.23, 27,215.31 and 7,053.46 is: 10,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.23 : 27,215.31 = 7,053.46 : x
  2. Step 2: Convert to fraction form
    18,148.23/27,215.31 = 7,053.46/x
  3. Step 3: Cross multiply
    18,148.23x = 27,215.31 × 7,053.46
  4. Step 4: Simplify right side
    18,148.23x = 191,962,100.47
  5. Step 5: Solve for x
    x = 191,962,100.47/18,148.23
  6. Step 6: Final answer
    x = 10,577.46

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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.