Home / 13,254.66-18,285.30-8,473.34

Finding the Fourth Proportional to 13,254.66, 18,285.30 and 8,473.34

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Solution

The fourth proportional to 13,254.66, 18,285.30 and 8,473.34 is: 11,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.66 : 18,285.30 = 8,473.34 : x
  2. Step 2: Convert to fraction form
    13,254.66/18,285.30 = 8,473.34/x
  3. Step 3: Cross multiply
    13,254.66x = 18,285.30 × 8,473.34
  4. Step 4: Simplify right side
    13,254.66x = 154,937,609.62
  5. Step 5: Solve for x
    x = 154,937,609.62/13,254.66
  6. Step 6: Final answer
    x = 11,689.29

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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.