Home / 10,195.48-15,276.78-6,291.64

Finding the Fourth Proportional to 10,195.48, 15,276.78 and 6,291.64

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Solution

The fourth proportional to 10,195.48, 15,276.78 and 6,291.64 is: 9,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.48 : 15,276.78 = 6,291.64 : x
  2. Step 2: Convert to fraction form
    10,195.48/15,276.78 = 6,291.64/x
  3. Step 3: Cross multiply
    10,195.48x = 15,276.78 × 6,291.64
  4. Step 4: Simplify right side
    10,195.48x = 96,116,000.12
  5. Step 5: Solve for x
    x = 96,116,000.12/10,195.48
  6. Step 6: Final answer
    x = 9,427.31

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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.