Home / 13,257.13-18,295.31-7,592.89

Finding the Fourth Proportional to 13,257.13, 18,295.31 and 7,592.89

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Solution

The fourth proportional to 13,257.13, 18,295.31 and 7,592.89 is: 10,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.13 : 18,295.31 = 7,592.89 : x
  2. Step 2: Convert to fraction form
    13,257.13/18,295.31 = 7,592.89/x
  3. Step 3: Cross multiply
    13,257.13x = 18,295.31 × 7,592.89
  4. Step 4: Simplify right side
    13,257.13x = 138,914,276.35
  5. Step 5: Solve for x
    x = 138,914,276.35/13,257.13
  6. Step 6: Final answer
    x = 10,478.46

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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.