Home / 11,502.12-17,238.74-4,920.56

Finding the Fourth Proportional to 11,502.12, 17,238.74 and 4,920.56

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Solution

The fourth proportional to 11,502.12, 17,238.74 and 4,920.56 is: 7,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.12 : 17,238.74 = 4,920.56 : x
  2. Step 2: Convert to fraction form
    11,502.12/17,238.74 = 4,920.56/x
  3. Step 3: Cross multiply
    11,502.12x = 17,238.74 × 4,920.56
  4. Step 4: Simplify right side
    11,502.12x = 84,824,254.49
  5. Step 5: Solve for x
    x = 84,824,254.49/11,502.12
  6. Step 6: Final answer
    x = 7,374.66

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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.