Home / 11,166.95-15,410.63-6,387.33

Finding the Fourth Proportional to 11,166.95, 15,410.63 and 6,387.33

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Solution

The fourth proportional to 11,166.95, 15,410.63 and 6,387.33 is: 8,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.95 : 15,410.63 = 6,387.33 : x
  2. Step 2: Convert to fraction form
    11,166.95/15,410.63 = 6,387.33/x
  3. Step 3: Cross multiply
    11,166.95x = 15,410.63 × 6,387.33
  4. Step 4: Simplify right side
    11,166.95x = 98,432,670.33
  5. Step 5: Solve for x
    x = 98,432,670.33/11,166.95
  6. Step 6: Final answer
    x = 8,814.65

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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.