Home / 10,645.51-14,690.82-6,170.12

Finding the Fourth Proportional to 10,645.51, 14,690.82 and 6,170.12

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Solution

The fourth proportional to 10,645.51, 14,690.82 and 6,170.12 is: 8,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.51 : 14,690.82 = 6,170.12 : x
  2. Step 2: Convert to fraction form
    10,645.51/14,690.82 = 6,170.12/x
  3. Step 3: Cross multiply
    10,645.51x = 14,690.82 × 6,170.12
  4. Step 4: Simplify right side
    10,645.51x = 90,644,122.30
  5. Step 5: Solve for x
    x = 90,644,122.30/10,645.51
  6. Step 6: Final answer
    x = 8,514.77

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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.