Home / 11,317.62-15,617.64-6,281.46

Finding the Fourth Proportional to 11,317.62, 15,617.64 and 6,281.46

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Solution

The fourth proportional to 11,317.62, 15,617.64 and 6,281.46 is: 8,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.62 : 15,617.64 = 6,281.46 : x
  2. Step 2: Convert to fraction form
    11,317.62/15,617.64 = 6,281.46/x
  3. Step 3: Cross multiply
    11,317.62x = 15,617.64 × 6,281.46
  4. Step 4: Simplify right side
    11,317.62x = 98,101,580.95
  5. Step 5: Solve for x
    x = 98,101,580.95/11,317.62
  6. Step 6: Final answer
    x = 8,668.04

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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.