Home / 13,089.60-18,072.30-10,059.31

Finding the Fourth Proportional to 13,089.60, 18,072.30 and 10,059.31

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Solution

The fourth proportional to 13,089.60, 18,072.30 and 10,059.31 is: 13,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.60 : 18,072.30 = 10,059.31 : x
  2. Step 2: Convert to fraction form
    13,089.60/18,072.30 = 10,059.31/x
  3. Step 3: Cross multiply
    13,089.60x = 18,072.30 × 10,059.31
  4. Step 4: Simplify right side
    13,089.60x = 181,794,770.19
  5. Step 5: Solve for x
    x = 181,794,770.19/13,089.60
  6. Step 6: Final answer
    x = 13,888.49

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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.