Home / 18,401.96-25,377.06-12,365.84

Finding the Fourth Proportional to 18,401.96, 25,377.06 and 12,365.84

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Solution

The fourth proportional to 18,401.96, 25,377.06 and 12,365.84 is: 17,053.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.96 : 25,377.06 = 12,365.84 : x
  2. Step 2: Convert to fraction form
    18,401.96/25,377.06 = 12,365.84/x
  3. Step 3: Cross multiply
    18,401.96x = 25,377.06 × 12,365.84
  4. Step 4: Simplify right side
    18,401.96x = 313,808,663.63
  5. Step 5: Solve for x
    x = 313,808,663.63/18,401.96
  6. Step 6: Final answer
    x = 17,053.00

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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.