Home / 11,802.80-16,287.87-6,497.58

Finding the Fourth Proportional to 11,802.80, 16,287.87 and 6,497.58

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Solution

The fourth proportional to 11,802.80, 16,287.87 and 6,497.58 is: 8,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.80 : 16,287.87 = 6,497.58 : x
  2. Step 2: Convert to fraction form
    11,802.80/16,287.87 = 6,497.58/x
  3. Step 3: Cross multiply
    11,802.80x = 16,287.87 × 6,497.58
  4. Step 4: Simplify right side
    11,802.80x = 105,831,738.35
  5. Step 5: Solve for x
    x = 105,831,738.35/11,802.80
  6. Step 6: Final answer
    x = 8,966.66

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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.