Home / 23,080.80-31,850.60-13,011.29

Finding the Fourth Proportional to 23,080.80, 31,850.60 and 13,011.29

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Solution

The fourth proportional to 23,080.80, 31,850.60 and 13,011.29 is: 17,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,080.80 : 31,850.60 = 13,011.29 : x
  2. Step 2: Convert to fraction form
    23,080.80/31,850.60 = 13,011.29/x
  3. Step 3: Cross multiply
    23,080.80x = 31,850.60 × 13,011.29
  4. Step 4: Simplify right side
    23,080.80x = 414,417,168.96
  5. Step 5: Solve for x
    x = 414,417,168.96/23,080.80
  6. Step 6: Final answer
    x = 17,955.06

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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.