Home / 11,317.39-15,618.16-6,281.93

Finding the Fourth Proportional to 11,317.39, 15,618.16 and 6,281.93

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Solution

The fourth proportional to 11,317.39, 15,618.16 and 6,281.93 is: 8,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.39 : 15,618.16 = 6,281.93 : x
  2. Step 2: Convert to fraction form
    11,317.39/15,618.16 = 6,281.93/x
  3. Step 3: Cross multiply
    11,317.39x = 15,618.16 × 6,281.93
  4. Step 4: Simplify right side
    11,317.39x = 98,112,187.85
  5. Step 5: Solve for x
    x = 98,112,187.85/11,317.39
  6. Step 6: Final answer
    x = 8,669.15

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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.