Home / 11,975.48-16,526.49-7,193.81

Finding the Fourth Proportional to 11,975.48, 16,526.49 and 7,193.81

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Solution

The fourth proportional to 11,975.48, 16,526.49 and 7,193.81 is: 9,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.48 : 16,526.49 = 7,193.81 : x
  2. Step 2: Convert to fraction form
    11,975.48/16,526.49 = 7,193.81/x
  3. Step 3: Cross multiply
    11,975.48x = 16,526.49 × 7,193.81
  4. Step 4: Simplify right side
    11,975.48x = 118,888,429.03
  5. Step 5: Solve for x
    x = 118,888,429.03/11,975.48
  6. Step 6: Final answer
    x = 9,927.66

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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.