Home / 13,021.08-19,532.88-4,256.16

Finding the Fourth Proportional to 13,021.08, 19,532.88 and 4,256.16

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Solution

The fourth proportional to 13,021.08, 19,532.88 and 4,256.16 is: 6,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.08 : 19,532.88 = 4,256.16 : x
  2. Step 2: Convert to fraction form
    13,021.08/19,532.88 = 4,256.16/x
  3. Step 3: Cross multiply
    13,021.08x = 19,532.88 × 4,256.16
  4. Step 4: Simplify right side
    13,021.08x = 83,135,062.54
  5. Step 5: Solve for x
    x = 83,135,062.54/13,021.08
  6. Step 6: Final answer
    x = 6,384.65

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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.