Home / 13,356.32-18,426.96-8,577.32

Finding the Fourth Proportional to 13,356.32, 18,426.96 and 8,577.32

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Solution

The fourth proportional to 13,356.32, 18,426.96 and 8,577.32 is: 11,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.32 : 18,426.96 = 8,577.32 : x
  2. Step 2: Convert to fraction form
    13,356.32/18,426.96 = 8,577.32/x
  3. Step 3: Cross multiply
    13,356.32x = 18,426.96 × 8,577.32
  4. Step 4: Simplify right side
    13,356.32x = 158,053,840.41
  5. Step 5: Solve for x
    x = 158,053,840.41/13,356.32
  6. Step 6: Final answer
    x = 11,833.64

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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.