Home / 14,054.13-19,398.78-8,090.01

Finding the Fourth Proportional to 14,054.13, 19,398.78 and 8,090.01

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Solution

The fourth proportional to 14,054.13, 19,398.78 and 8,090.01 is: 11,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.13 : 19,398.78 = 8,090.01 : x
  2. Step 2: Convert to fraction form
    14,054.13/19,398.78 = 8,090.01/x
  3. Step 3: Cross multiply
    14,054.13x = 19,398.78 × 8,090.01
  4. Step 4: Simplify right side
    14,054.13x = 156,936,324.19
  5. Step 5: Solve for x
    x = 156,936,324.19/14,054.13
  6. Step 6: Final answer
    x = 11,166.56

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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.