Home / 11,999.51-16,559.40-7,219.56

Finding the Fourth Proportional to 11,999.51, 16,559.40 and 7,219.56

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Solution

The fourth proportional to 11,999.51, 16,559.40 and 7,219.56 is: 9,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.51 : 16,559.40 = 7,219.56 : x
  2. Step 2: Convert to fraction form
    11,999.51/16,559.40 = 7,219.56/x
  3. Step 3: Cross multiply
    11,999.51x = 16,559.40 × 7,219.56
  4. Step 4: Simplify right side
    11,999.51x = 119,551,581.86
  5. Step 5: Solve for x
    x = 119,551,581.86/11,999.51
  6. Step 6: Final answer
    x = 9,963.04

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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.