Home / 13,954.92-21,032.73-12,030.36

Finding the Fourth Proportional to 13,954.92, 21,032.73 and 12,030.36

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Solution

The fourth proportional to 13,954.92, 21,032.73 and 12,030.36 is: 18,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.92 : 21,032.73 = 12,030.36 : x
  2. Step 2: Convert to fraction form
    13,954.92/21,032.73 = 12,030.36/x
  3. Step 3: Cross multiply
    13,954.92x = 21,032.73 × 12,030.36
  4. Step 4: Simplify right side
    13,954.92x = 253,031,313.68
  5. Step 5: Solve for x
    x = 253,031,313.68/13,954.92
  6. Step 6: Final answer
    x = 18,132.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.