Home / 18,178.50-25,086.06-10,112.07

Finding the Fourth Proportional to 18,178.50, 25,086.06 and 10,112.07

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Solution

The fourth proportional to 18,178.50, 25,086.06 and 10,112.07 is: 13,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.50 : 25,086.06 = 10,112.07 : x
  2. Step 2: Convert to fraction form
    18,178.50/25,086.06 = 10,112.07/x
  3. Step 3: Cross multiply
    18,178.50x = 25,086.06 × 10,112.07
  4. Step 4: Simplify right side
    18,178.50x = 253,671,994.74
  5. Step 5: Solve for x
    x = 253,671,994.74/18,178.50
  6. Step 6: Final answer
    x = 13,954.51

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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.