Home / 11,151.93-15,389.82-6,116.07

Finding the Fourth Proportional to 11,151.93, 15,389.82 and 6,116.07

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Solution

The fourth proportional to 11,151.93, 15,389.82 and 6,116.07 is: 8,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.93 : 15,389.82 = 6,116.07 : x
  2. Step 2: Convert to fraction form
    11,151.93/15,389.82 = 6,116.07/x
  3. Step 3: Cross multiply
    11,151.93x = 15,389.82 × 6,116.07
  4. Step 4: Simplify right side
    11,151.93x = 94,125,216.41
  5. Step 5: Solve for x
    x = 94,125,216.41/11,151.93
  6. Step 6: Final answer
    x = 8,440.26

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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.