Home / 11,331.07-15,636.86-6,295.76

Finding the Fourth Proportional to 11,331.07, 15,636.86 and 6,295.76

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Solution

The fourth proportional to 11,331.07, 15,636.86 and 6,295.76 is: 8,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.07 : 15,636.86 = 6,295.76 : x
  2. Step 2: Convert to fraction form
    11,331.07/15,636.86 = 6,295.76/x
  3. Step 3: Cross multiply
    11,331.07x = 15,636.86 × 6,295.76
  4. Step 4: Simplify right side
    11,331.07x = 98,445,839.53
  5. Step 5: Solve for x
    x = 98,445,839.53/11,331.07
  6. Step 6: Final answer
    x = 8,688.13

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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.