Home / 13,918.64-20,878.66-4,058.66

Finding the Fourth Proportional to 13,918.64, 20,878.66 and 4,058.66

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Solution

The fourth proportional to 13,918.64, 20,878.66 and 4,058.66 is: 6,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.64 : 20,878.66 = 4,058.66 : x
  2. Step 2: Convert to fraction form
    13,918.64/20,878.66 = 4,058.66/x
  3. Step 3: Cross multiply
    13,918.64x = 20,878.66 × 4,058.66
  4. Step 4: Simplify right side
    13,918.64x = 84,739,322.02
  5. Step 5: Solve for x
    x = 84,739,322.02/13,918.64
  6. Step 6: Final answer
    x = 6,088.19

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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.