Home / 14,383.40-21,570.81-6,481.35

Finding the Fourth Proportional to 14,383.40, 21,570.81 and 6,481.35

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Solution

The fourth proportional to 14,383.40, 21,570.81 and 6,481.35 is: 9,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.40 : 21,570.81 = 6,481.35 : x
  2. Step 2: Convert to fraction form
    14,383.40/21,570.81 = 6,481.35/x
  3. Step 3: Cross multiply
    14,383.40x = 21,570.81 × 6,481.35
  4. Step 4: Simplify right side
    14,383.40x = 139,807,969.39
  5. Step 5: Solve for x
    x = 139,807,969.39/14,383.40
  6. Step 6: Final answer
    x = 9,720.10

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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.