Home / 13,080.64-19,625.80-4,761.32

Finding the Fourth Proportional to 13,080.64, 19,625.80 and 4,761.32

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Solution

The fourth proportional to 13,080.64, 19,625.80 and 4,761.32 is: 7,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.64 : 19,625.80 = 4,761.32 : x
  2. Step 2: Convert to fraction form
    13,080.64/19,625.80 = 4,761.32/x
  3. Step 3: Cross multiply
    13,080.64x = 19,625.80 × 4,761.32
  4. Step 4: Simplify right side
    13,080.64x = 93,444,714.06
  5. Step 5: Solve for x
    x = 93,444,714.06/13,080.64
  6. Step 6: Final answer
    x = 7,143.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.