Home / 13,268.32-18,312.06-8,566.28

Finding the Fourth Proportional to 13,268.32, 18,312.06 and 8,566.28

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Solution

The fourth proportional to 13,268.32, 18,312.06 and 8,566.28 is: 11,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.32 : 18,312.06 = 8,566.28 : x
  2. Step 2: Convert to fraction form
    13,268.32/18,312.06 = 8,566.28/x
  3. Step 3: Cross multiply
    13,268.32x = 18,312.06 × 8,566.28
  4. Step 4: Simplify right side
    13,268.32x = 156,866,233.34
  5. Step 5: Solve for x
    x = 156,866,233.34/13,268.32
  6. Step 6: Final answer
    x = 11,822.61

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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.