Home / 17,919.77-24,730.78-9,962.73

Finding the Fourth Proportional to 17,919.77, 24,730.78 and 9,962.73

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Solution

The fourth proportional to 17,919.77, 24,730.78 and 9,962.73 is: 13,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.77 : 24,730.78 = 9,962.73 : x
  2. Step 2: Convert to fraction form
    17,919.77/24,730.78 = 9,962.73/x
  3. Step 3: Cross multiply
    17,919.77x = 24,730.78 × 9,962.73
  4. Step 4: Simplify right side
    17,919.77x = 246,386,034.02
  5. Step 5: Solve for x
    x = 246,386,034.02/17,919.77
  6. Step 6: Final answer
    x = 13,749.40

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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.