Home / 21,058.45-31,587.37-6,267.45

Finding the Fourth Proportional to 21,058.45, 31,587.37 and 6,267.45

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Solution

The fourth proportional to 21,058.45, 31,587.37 and 6,267.45 is: 9,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.45 : 31,587.37 = 6,267.45 : x
  2. Step 2: Convert to fraction form
    21,058.45/31,587.37 = 6,267.45/x
  3. Step 3: Cross multiply
    21,058.45x = 31,587.37 × 6,267.45
  4. Step 4: Simplify right side
    21,058.45x = 197,972,262.11
  5. Step 5: Solve for x
    x = 197,972,262.11/21,058.45
  6. Step 6: Final answer
    x = 9,401.08

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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.