Home / 12,410.48-18,615.96-9,933.80

Finding the Fourth Proportional to 12,410.48, 18,615.96 and 9,933.80

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Solution

The fourth proportional to 12,410.48, 18,615.96 and 9,933.80 is: 14,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.48 : 18,615.96 = 9,933.80 : x
  2. Step 2: Convert to fraction form
    12,410.48/18,615.96 = 9,933.80/x
  3. Step 3: Cross multiply
    12,410.48x = 18,615.96 × 9,933.80
  4. Step 4: Simplify right side
    12,410.48x = 184,927,223.45
  5. Step 5: Solve for x
    x = 184,927,223.45/12,410.48
  6. Step 6: Final answer
    x = 14,900.89

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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.