Home / 13,597.77-18,755.19-11,802.60

Finding the Fourth Proportional to 13,597.77, 18,755.19 and 11,802.60

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Solution

The fourth proportional to 13,597.77, 18,755.19 and 11,802.60 is: 16,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.77 : 18,755.19 = 11,802.60 : x
  2. Step 2: Convert to fraction form
    13,597.77/18,755.19 = 11,802.60/x
  3. Step 3: Cross multiply
    13,597.77x = 18,755.19 × 11,802.60
  4. Step 4: Simplify right side
    13,597.77x = 221,360,005.49
  5. Step 5: Solve for x
    x = 221,360,005.49/13,597.77
  6. Step 6: Final answer
    x = 16,279.14

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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.