Home / 11,729.80-17,495.87-10,913.32

Finding the Fourth Proportional to 11,729.80, 17,495.87 and 10,913.32

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Solution

The fourth proportional to 11,729.80, 17,495.87 and 10,913.32 is: 16,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.80 : 17,495.87 = 10,913.32 : x
  2. Step 2: Convert to fraction form
    11,729.80/17,495.87 = 10,913.32/x
  3. Step 3: Cross multiply
    11,729.80x = 17,495.87 × 10,913.32
  4. Step 4: Simplify right side
    11,729.80x = 190,938,027.99
  5. Step 5: Solve for x
    x = 190,938,027.99/11,729.80
  6. Step 6: Final answer
    x = 16,278.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.