Home / 13,288.01-18,336.92-7,319.25

Finding the Fourth Proportional to 13,288.01, 18,336.92 and 7,319.25

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Solution

The fourth proportional to 13,288.01, 18,336.92 and 7,319.25 is: 10,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.01 : 18,336.92 = 7,319.25 : x
  2. Step 2: Convert to fraction form
    13,288.01/18,336.92 = 7,319.25/x
  3. Step 3: Cross multiply
    13,288.01x = 18,336.92 × 7,319.25
  4. Step 4: Simplify right side
    13,288.01x = 134,212,465.11
  5. Step 5: Solve for x
    x = 134,212,465.11/13,288.01
  6. Step 6: Final answer
    x = 10,100.27

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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.