Home / 9,511.93-13,129.29-6,154.66

Finding the Fourth Proportional to 9,511.93, 13,129.29 and 6,154.66

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Solution

The fourth proportional to 9,511.93, 13,129.29 and 6,154.66 is: 8,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.93 : 13,129.29 = 6,154.66 : x
  2. Step 2: Convert to fraction form
    9,511.93/13,129.29 = 6,154.66/x
  3. Step 3: Cross multiply
    9,511.93x = 13,129.29 × 6,154.66
  4. Step 4: Simplify right side
    9,511.93x = 80,806,295.48
  5. Step 5: Solve for x
    x = 80,806,295.48/9,511.93
  6. Step 6: Final answer
    x = 8,495.26

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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.