Home / 13,559.90-20,344.85-5,663.24

Finding the Fourth Proportional to 13,559.90, 20,344.85 and 5,663.24

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Solution

The fourth proportional to 13,559.90, 20,344.85 and 5,663.24 is: 8,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.90 : 20,344.85 = 5,663.24 : x
  2. Step 2: Convert to fraction form
    13,559.90/20,344.85 = 5,663.24/x
  3. Step 3: Cross multiply
    13,559.90x = 20,344.85 × 5,663.24
  4. Step 4: Simplify right side
    13,559.90x = 115,217,638.27
  5. Step 5: Solve for x
    x = 115,217,638.27/13,559.90
  6. Step 6: Final answer
    x = 8,496.94

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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.