Home / 35,778.38-53,667.56-11,154.38

Finding the Fourth Proportional to 35,778.38, 53,667.56 and 11,154.38

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Solution

The fourth proportional to 35,778.38, 53,667.56 and 11,154.38 is: 16,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.38 : 53,667.56 = 11,154.38 : x
  2. Step 2: Convert to fraction form
    35,778.38/53,667.56 = 11,154.38/x
  3. Step 3: Cross multiply
    35,778.38x = 53,667.56 × 11,154.38
  4. Step 4: Simplify right side
    35,778.38x = 598,628,117.46
  5. Step 5: Solve for x
    x = 598,628,117.46/35,778.38
  6. Step 6: Final answer
    x = 16,731.56

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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.