Home / 15,261.30-21,063.15-9,295.29

Finding the Fourth Proportional to 15,261.30, 21,063.15 and 9,295.29

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Solution

The fourth proportional to 15,261.30, 21,063.15 and 9,295.29 is: 12,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.30 : 21,063.15 = 9,295.29 : x
  2. Step 2: Convert to fraction form
    15,261.30/21,063.15 = 9,295.29/x
  3. Step 3: Cross multiply
    15,261.30x = 21,063.15 × 9,295.29
  4. Step 4: Simplify right side
    15,261.30x = 195,788,087.56
  5. Step 5: Solve for x
    x = 195,788,087.56/15,261.30
  6. Step 6: Final answer
    x = 12,829.06

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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.