Home / 11,535.29-15,918.74-6,996.45

Finding the Fourth Proportional to 11,535.29, 15,918.74 and 6,996.45

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Solution

The fourth proportional to 11,535.29, 15,918.74 and 6,996.45 is: 9,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.29 : 15,918.74 = 6,996.45 : x
  2. Step 2: Convert to fraction form
    11,535.29/15,918.74 = 6,996.45/x
  3. Step 3: Cross multiply
    11,535.29x = 15,918.74 × 6,996.45
  4. Step 4: Simplify right side
    11,535.29x = 111,374,633.49
  5. Step 5: Solve for x
    x = 111,374,633.49/11,535.29
  6. Step 6: Final answer
    x = 9,655.13

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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.