Home / 13,588.91-18,744.06-9,817.61

Finding the Fourth Proportional to 13,588.91, 18,744.06 and 9,817.61

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Solution

The fourth proportional to 13,588.91, 18,744.06 and 9,817.61 is: 13,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.91 : 18,744.06 = 9,817.61 : x
  2. Step 2: Convert to fraction form
    13,588.91/18,744.06 = 9,817.61/x
  3. Step 3: Cross multiply
    13,588.91x = 18,744.06 × 9,817.61
  4. Step 4: Simplify right side
    13,588.91x = 184,021,821.81
  5. Step 5: Solve for x
    x = 184,021,821.81/13,588.91
  6. Step 6: Final answer
    x = 13,542.06

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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.