Home / 18,343.29-25,314.33-10,385.34

Finding the Fourth Proportional to 18,343.29, 25,314.33 and 10,385.34

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Solution

The fourth proportional to 18,343.29, 25,314.33 and 10,385.34 is: 14,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.29 : 25,314.33 = 10,385.34 : x
  2. Step 2: Convert to fraction form
    18,343.29/25,314.33 = 10,385.34/x
  3. Step 3: Cross multiply
    18,343.29x = 25,314.33 × 10,385.34
  4. Step 4: Simplify right side
    18,343.29x = 262,897,923.92
  5. Step 5: Solve for x
    x = 262,897,923.92/18,343.29
  6. Step 6: Final answer
    x = 14,332.10

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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.