Home / 13,652.87-18,841.56-7,684.92

Finding the Fourth Proportional to 13,652.87, 18,841.56 and 7,684.92

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Solution

The fourth proportional to 13,652.87, 18,841.56 and 7,684.92 is: 10,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.87 : 18,841.56 = 7,684.92 : x
  2. Step 2: Convert to fraction form
    13,652.87/18,841.56 = 7,684.92/x
  3. Step 3: Cross multiply
    13,652.87x = 18,841.56 × 7,684.92
  4. Step 4: Simplify right side
    13,652.87x = 144,795,881.28
  5. Step 5: Solve for x
    x = 144,795,881.28/13,652.87
  6. Step 6: Final answer
    x = 10,605.53

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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.