Home / 13,319.44-19,988.07-5,528.26

Finding the Fourth Proportional to 13,319.44, 19,988.07 and 5,528.26

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Solution

The fourth proportional to 13,319.44, 19,988.07 and 5,528.26 is: 8,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.44 : 19,988.07 = 5,528.26 : x
  2. Step 2: Convert to fraction form
    13,319.44/19,988.07 = 5,528.26/x
  3. Step 3: Cross multiply
    13,319.44x = 19,988.07 × 5,528.26
  4. Step 4: Simplify right side
    13,319.44x = 110,499,247.86
  5. Step 5: Solve for x
    x = 110,499,247.86/13,319.44
  6. Step 6: Final answer
    x = 8,296.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.