Home / 13,298.54-18,351.77-7,633.15

Finding the Fourth Proportional to 13,298.54, 18,351.77 and 7,633.15

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Solution

The fourth proportional to 13,298.54, 18,351.77 and 7,633.15 is: 10,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.54 : 18,351.77 = 7,633.15 : x
  2. Step 2: Convert to fraction form
    13,298.54/18,351.77 = 7,633.15/x
  3. Step 3: Cross multiply
    13,298.54x = 18,351.77 × 7,633.15
  4. Step 4: Simplify right side
    13,298.54x = 140,081,729.13
  5. Step 5: Solve for x
    x = 140,081,729.13/13,298.54
  6. Step 6: Final answer
    x = 10,533.62

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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.