Home / 17,345.55-26,007.87-8,443.32

Finding the Fourth Proportional to 17,345.55, 26,007.87 and 8,443.32

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Solution

The fourth proportional to 17,345.55, 26,007.87 and 8,443.32 is: 12,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,345.55 : 26,007.87 = 8,443.32 : x
  2. Step 2: Convert to fraction form
    17,345.55/26,007.87 = 8,443.32/x
  3. Step 3: Cross multiply
    17,345.55x = 26,007.87 × 8,443.32
  4. Step 4: Simplify right side
    17,345.55x = 219,592,768.93
  5. Step 5: Solve for x
    x = 219,592,768.93/17,345.55
  6. Step 6: Final answer
    x = 12,659.89

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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.