Home / 11,331.02-15,636.72-6,295.64

Finding the Fourth Proportional to 11,331.02, 15,636.72 and 6,295.64

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Solution

The fourth proportional to 11,331.02, 15,636.72 and 6,295.64 is: 8,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.02 : 15,636.72 = 6,295.64 : x
  2. Step 2: Convert to fraction form
    11,331.02/15,636.72 = 6,295.64/x
  3. Step 3: Cross multiply
    11,331.02x = 15,636.72 × 6,295.64
  4. Step 4: Simplify right side
    11,331.02x = 98,443,159.90
  5. Step 5: Solve for x
    x = 98,443,159.90/11,331.02
  6. Step 6: Final answer
    x = 8,687.93

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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.