Home / 12,360.60-18,540.99-9,892.26

Finding the Fourth Proportional to 12,360.60, 18,540.99 and 9,892.26

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Solution

The fourth proportional to 12,360.60, 18,540.99 and 9,892.26 is: 14,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.60 : 18,540.99 = 9,892.26 : x
  2. Step 2: Convert to fraction form
    12,360.60/18,540.99 = 9,892.26/x
  3. Step 3: Cross multiply
    12,360.60x = 18,540.99 × 9,892.26
  4. Step 4: Simplify right side
    12,360.60x = 183,412,293.74
  5. Step 5: Solve for x
    x = 183,412,293.74/12,360.60
  6. Step 6: Final answer
    x = 14,838.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.