Home / 42,667.44-64,001.16-11,505.12

Finding the Fourth Proportional to 42,667.44, 64,001.16 and 11,505.12

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Solution

The fourth proportional to 42,667.44, 64,001.16 and 11,505.12 is: 17,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,667.44 : 64,001.16 = 11,505.12 : x
  2. Step 2: Convert to fraction form
    42,667.44/64,001.16 = 11,505.12/x
  3. Step 3: Cross multiply
    42,667.44x = 64,001.16 × 11,505.12
  4. Step 4: Simplify right side
    42,667.44x = 736,341,025.94
  5. Step 5: Solve for x
    x = 736,341,025.94/42,667.44
  6. Step 6: Final answer
    x = 17,257.68

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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.