Home / 18,138.17-25,030.86-10,180.24

Finding the Fourth Proportional to 18,138.17, 25,030.86 and 10,180.24

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Solution

The fourth proportional to 18,138.17, 25,030.86 and 10,180.24 is: 14,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138.17 : 25,030.86 = 10,180.24 : x
  2. Step 2: Convert to fraction form
    18,138.17/25,030.86 = 10,180.24/x
  3. Step 3: Cross multiply
    18,138.17x = 25,030.86 × 10,180.24
  4. Step 4: Simplify right side
    18,138.17x = 254,820,037.05
  5. Step 5: Solve for x
    x = 254,820,037.05/18,138.17
  6. Step 6: Final answer
    x = 14,048.83

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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.