Home / 8,195.16-12,281.75-7,670.28

Finding the Fourth Proportional to 8,195.16, 12,281.75 and 7,670.28

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Solution

The fourth proportional to 8,195.16, 12,281.75 and 7,670.28 is: 11,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.16 : 12,281.75 = 7,670.28 : x
  2. Step 2: Convert to fraction form
    8,195.16/12,281.75 = 7,670.28/x
  3. Step 3: Cross multiply
    8,195.16x = 12,281.75 × 7,670.28
  4. Step 4: Simplify right side
    8,195.16x = 94,204,461.39
  5. Step 5: Solve for x
    x = 94,204,461.39/8,195.16
  6. Step 6: Final answer
    x = 11,495.13

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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.