Home / 11,587.09-17,383.20-5,013.40

Finding the Fourth Proportional to 11,587.09, 17,383.20 and 5,013.40

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Solution

The fourth proportional to 11,587.09, 17,383.20 and 5,013.40 is: 7,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.09 : 17,383.20 = 5,013.40 : x
  2. Step 2: Convert to fraction form
    11,587.09/17,383.20 = 5,013.40/x
  3. Step 3: Cross multiply
    11,587.09x = 17,383.20 × 5,013.40
  4. Step 4: Simplify right side
    11,587.09x = 87,148,934.88
  5. Step 5: Solve for x
    x = 87,148,934.88/11,587.09
  6. Step 6: Final answer
    x = 7,521.21

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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.