Home / 13,592.47-18,748.96-9,821.18

Finding the Fourth Proportional to 13,592.47, 18,748.96 and 9,821.18

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Solution

The fourth proportional to 13,592.47, 18,748.96 and 9,821.18 is: 13,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.47 : 18,748.96 = 9,821.18 : x
  2. Step 2: Convert to fraction form
    13,592.47/18,748.96 = 9,821.18/x
  3. Step 3: Cross multiply
    13,592.47x = 18,748.96 × 9,821.18
  4. Step 4: Simplify right side
    13,592.47x = 184,136,910.97
  5. Step 5: Solve for x
    x = 184,136,910.97/13,592.47
  6. Step 6: Final answer
    x = 13,546.98

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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.