Home / 18,104.34-24,981.49-10,145.46

Finding the Fourth Proportional to 18,104.34, 24,981.49 and 10,145.46

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Solution

The fourth proportional to 18,104.34, 24,981.49 and 10,145.46 is: 13,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.34 : 24,981.49 = 10,145.46 : x
  2. Step 2: Convert to fraction form
    18,104.34/24,981.49 = 10,145.46/x
  3. Step 3: Cross multiply
    18,104.34x = 24,981.49 × 10,145.46
  4. Step 4: Simplify right side
    18,104.34x = 253,448,707.54
  5. Step 5: Solve for x
    x = 253,448,707.54/18,104.34
  6. Step 6: Final answer
    x = 13,999.33

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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.