Home / 13,598.97-18,763.38-7,930.32

Finding the Fourth Proportional to 13,598.97, 18,763.38 and 7,930.32

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Solution

The fourth proportional to 13,598.97, 18,763.38 and 7,930.32 is: 10,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.97 : 18,763.38 = 7,930.32 : x
  2. Step 2: Convert to fraction form
    13,598.97/18,763.38 = 7,930.32/x
  3. Step 3: Cross multiply
    13,598.97x = 18,763.38 × 7,930.32
  4. Step 4: Simplify right side
    13,598.97x = 148,799,607.68
  5. Step 5: Solve for x
    x = 148,799,607.68/13,598.97
  6. Step 6: Final answer
    x = 10,941.98

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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.