Home / 12,709.08-17,537.58-7,119

Finding the Fourth Proportional to 12,709.08, 17,537.58 and 7,119

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Solution

The fourth proportional to 12,709.08, 17,537.58 and 7,119 is: 9,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.08 : 17,537.58 = 7,119 : x
  2. Step 2: Convert to fraction form
    12,709.08/17,537.58 = 7,119/x
  3. Step 3: Cross multiply
    12,709.08x = 17,537.58 × 7,119
  4. Step 4: Simplify right side
    12,709.08x = 124,850,032.02
  5. Step 5: Solve for x
    x = 124,850,032.02/12,709.08
  6. Step 6: Final answer
    x = 9,823.69

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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.