Home / 11,418.02-15,756.63-6,382.10

Finding the Fourth Proportional to 11,418.02, 15,756.63 and 6,382.10

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Solution

The fourth proportional to 11,418.02, 15,756.63 and 6,382.10 is: 8,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.02 : 15,756.63 = 6,382.10 : x
  2. Step 2: Convert to fraction form
    11,418.02/15,756.63 = 6,382.10/x
  3. Step 3: Cross multiply
    11,418.02x = 15,756.63 × 6,382.10
  4. Step 4: Simplify right side
    11,418.02x = 100,560,388.32
  5. Step 5: Solve for x
    x = 100,560,388.32/11,418.02
  6. Step 6: Final answer
    x = 8,807.17

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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.