Home / 15,018.05-22,512.36-8,357.72

Finding the Fourth Proportional to 15,018.05, 22,512.36 and 8,357.72

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Solution

The fourth proportional to 15,018.05, 22,512.36 and 8,357.72 is: 12,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.05 : 22,512.36 = 8,357.72 : x
  2. Step 2: Convert to fraction form
    15,018.05/22,512.36 = 8,357.72/x
  3. Step 3: Cross multiply
    15,018.05x = 22,512.36 × 8,357.72
  4. Step 4: Simplify right side
    15,018.05x = 188,151,944.65
  5. Step 5: Solve for x
    x = 188,151,944.65/15,018.05
  6. Step 6: Final answer
    x = 12,528.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.