Home / 13,494.40-18,625.04-9,014.69

Finding the Fourth Proportional to 13,494.40, 18,625.04 and 9,014.69

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Solution

The fourth proportional to 13,494.40, 18,625.04 and 9,014.69 is: 12,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.40 : 18,625.04 = 9,014.69 : x
  2. Step 2: Convert to fraction form
    13,494.40/18,625.04 = 9,014.69/x
  3. Step 3: Cross multiply
    13,494.40x = 18,625.04 × 9,014.69
  4. Step 4: Simplify right side
    13,494.40x = 167,898,997.13
  5. Step 5: Solve for x
    x = 167,898,997.13/13,494.40
  6. Step 6: Final answer
    x = 12,442.13

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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.