Home / 10,146.48-13,985.42-6,788.09

Finding the Fourth Proportional to 10,146.48, 13,985.42 and 6,788.09

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Solution

The fourth proportional to 10,146.48, 13,985.42 and 6,788.09 is: 9,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.48 : 13,985.42 = 6,788.09 : x
  2. Step 2: Convert to fraction form
    10,146.48/13,985.42 = 6,788.09/x
  3. Step 3: Cross multiply
    10,146.48x = 13,985.42 × 6,788.09
  4. Step 4: Simplify right side
    10,146.48x = 94,934,185.78
  5. Step 5: Solve for x
    x = 94,934,185.78/10,146.48
  6. Step 6: Final answer
    x = 9,356.37

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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.