Home / 11,317.56-15,617.93-6,281.65

Finding the Fourth Proportional to 11,317.56, 15,617.93 and 6,281.65

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Solution

The fourth proportional to 11,317.56, 15,617.93 and 6,281.65 is: 8,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.56 : 15,617.93 = 6,281.65 : x
  2. Step 2: Convert to fraction form
    11,317.56/15,617.93 = 6,281.65/x
  3. Step 3: Cross multiply
    11,317.56x = 15,617.93 × 6,281.65
  4. Step 4: Simplify right side
    11,317.56x = 98,106,346.64
  5. Step 5: Solve for x
    x = 98,106,346.64/11,317.56
  6. Step 6: Final answer
    x = 8,668.51

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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.