Home / 21,058.58-31,587.36-6,267.64

Finding the Fourth Proportional to 21,058.58, 31,587.36 and 6,267.64

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Solution

The fourth proportional to 21,058.58, 31,587.36 and 6,267.64 is: 9,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.58 : 31,587.36 = 6,267.64 : x
  2. Step 2: Convert to fraction form
    21,058.58/31,587.36 = 6,267.64/x
  3. Step 3: Cross multiply
    21,058.58x = 31,587.36 × 6,267.64
  4. Step 4: Simplify right side
    21,058.58x = 197,978,201.03
  5. Step 5: Solve for x
    x = 197,978,201.03/21,058.58
  6. Step 6: Final answer
    x = 9,401.31

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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.