Home / 18,256.56-27,386.34-5,108.91

Finding the Fourth Proportional to 18,256.56, 27,386.34 and 5,108.91

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Solution

The fourth proportional to 18,256.56, 27,386.34 and 5,108.91 is: 7,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.56 : 27,386.34 = 5,108.91 : x
  2. Step 2: Convert to fraction form
    18,256.56/27,386.34 = 5,108.91/x
  3. Step 3: Cross multiply
    18,256.56x = 27,386.34 × 5,108.91
  4. Step 4: Simplify right side
    18,256.56x = 139,914,346.29
  5. Step 5: Solve for x
    x = 139,914,346.29/18,256.56
  6. Step 6: Final answer
    x = 7,663.78

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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.