Home / 9,349.96-12,876.69-9,145.84

Finding the Fourth Proportional to 9,349.96, 12,876.69 and 9,145.84

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Solution

The fourth proportional to 9,349.96, 12,876.69 and 9,145.84 is: 12,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.96 : 12,876.69 = 9,145.84 : x
  2. Step 2: Convert to fraction form
    9,349.96/12,876.69 = 9,145.84/x
  3. Step 3: Cross multiply
    9,349.96x = 12,876.69 × 9,145.84
  4. Step 4: Simplify right side
    9,349.96x = 117,768,146.47
  5. Step 5: Solve for x
    x = 117,768,146.47/9,349.96
  6. Step 6: Final answer
    x = 12,595.58

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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.