Home / 10,147.23-13,986.45-6,788.84

Finding the Fourth Proportional to 10,147.23, 13,986.45 and 6,788.84

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Solution

The fourth proportional to 10,147.23, 13,986.45 and 6,788.84 is: 9,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.23 : 13,986.45 = 6,788.84 : x
  2. Step 2: Convert to fraction form
    10,147.23/13,986.45 = 6,788.84/x
  3. Step 3: Cross multiply
    10,147.23x = 13,986.45 × 6,788.84
  4. Step 4: Simplify right side
    10,147.23x = 94,951,701.29
  5. Step 5: Solve for x
    x = 94,951,701.29/10,147.23
  6. Step 6: Final answer
    x = 9,357.40

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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.