Home / 15,500.79-23,237.51-5,638.34

Finding the Fourth Proportional to 15,500.79, 23,237.51 and 5,638.34

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Solution

The fourth proportional to 15,500.79, 23,237.51 and 5,638.34 is: 8,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.79 : 23,237.51 = 5,638.34 : x
  2. Step 2: Convert to fraction form
    15,500.79/23,237.51 = 5,638.34/x
  3. Step 3: Cross multiply
    15,500.79x = 23,237.51 × 5,638.34
  4. Step 4: Simplify right side
    15,500.79x = 131,021,012.04
  5. Step 5: Solve for x
    x = 131,021,012.04/15,500.79
  6. Step 6: Final answer
    x = 8,452.54

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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.