Home / 10,021.24-15,017.48-5,629.45

Finding the Fourth Proportional to 10,021.24, 15,017.48 and 5,629.45

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Solution

The fourth proportional to 10,021.24, 15,017.48 and 5,629.45 is: 8,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.24 : 15,017.48 = 5,629.45 : x
  2. Step 2: Convert to fraction form
    10,021.24/15,017.48 = 5,629.45/x
  3. Step 3: Cross multiply
    10,021.24x = 15,017.48 × 5,629.45
  4. Step 4: Simplify right side
    10,021.24x = 84,540,124.64
  5. Step 5: Solve for x
    x = 84,540,124.64/10,021.24
  6. Step 6: Final answer
    x = 8,436.10

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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.