Home / 10,058.69-13,871.90-6,282.20

Finding the Fourth Proportional to 10,058.69, 13,871.90 and 6,282.20

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Solution

The fourth proportional to 10,058.69, 13,871.90 and 6,282.20 is: 8,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.69 : 13,871.90 = 6,282.20 : x
  2. Step 2: Convert to fraction form
    10,058.69/13,871.90 = 6,282.20/x
  3. Step 3: Cross multiply
    10,058.69x = 13,871.90 × 6,282.20
  4. Step 4: Simplify right side
    10,058.69x = 87,145,949.41
  5. Step 5: Solve for x
    x = 87,145,949.41/10,058.69
  6. Step 6: Final answer
    x = 8,663.75

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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.