Home / 13,021.24-19,532.70-4,256.20

Finding the Fourth Proportional to 13,021.24, 19,532.70 and 4,256.20

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Solution

The fourth proportional to 13,021.24, 19,532.70 and 4,256.20 is: 6,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.24 : 19,532.70 = 4,256.20 : x
  2. Step 2: Convert to fraction form
    13,021.24/19,532.70 = 4,256.20/x
  3. Step 3: Cross multiply
    13,021.24x = 19,532.70 × 4,256.20
  4. Step 4: Simplify right side
    13,021.24x = 83,135,077.74
  5. Step 5: Solve for x
    x = 83,135,077.74/13,021.24
  6. Step 6: Final answer
    x = 6,384.57

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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.