Home / 9,919.34-14,879.36-3,345.58

Finding the Fourth Proportional to 9,919.34, 14,879.36 and 3,345.58

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Solution

The fourth proportional to 9,919.34, 14,879.36 and 3,345.58 is: 5,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.34 : 14,879.36 = 3,345.58 : x
  2. Step 2: Convert to fraction form
    9,919.34/14,879.36 = 3,345.58/x
  3. Step 3: Cross multiply
    9,919.34x = 14,879.36 × 3,345.58
  4. Step 4: Simplify right side
    9,919.34x = 49,780,089.23
  5. Step 5: Solve for x
    x = 49,780,089.23/9,919.34
  6. Step 6: Final answer
    x = 5,018.49

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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.