Home / 13,821.36-20,720.34-6,024.24

Finding the Fourth Proportional to 13,821.36, 20,720.34 and 6,024.24

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Solution

The fourth proportional to 13,821.36, 20,720.34 and 6,024.24 is: 9,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.36 : 20,720.34 = 6,024.24 : x
  2. Step 2: Convert to fraction form
    13,821.36/20,720.34 = 6,024.24/x
  3. Step 3: Cross multiply
    13,821.36x = 20,720.34 × 6,024.24
  4. Step 4: Simplify right side
    13,821.36x = 124,824,301.04
  5. Step 5: Solve for x
    x = 124,824,301.04/13,821.36
  6. Step 6: Final answer
    x = 9,031.26

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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.