Home / 11,317.43-15,617.76-6,281.52

Finding the Fourth Proportional to 11,317.43, 15,617.76 and 6,281.52

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Solution

The fourth proportional to 11,317.43, 15,617.76 and 6,281.52 is: 8,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.43 : 15,617.76 = 6,281.52 : x
  2. Step 2: Convert to fraction form
    11,317.43/15,617.76 = 6,281.52/x
  3. Step 3: Cross multiply
    11,317.43x = 15,617.76 × 6,281.52
  4. Step 4: Simplify right side
    11,317.43x = 98,103,271.80
  5. Step 5: Solve for x
    x = 98,103,271.80/11,317.43
  6. Step 6: Final answer
    x = 8,668.33

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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.