Home / 10,014.03-15,021.39-3,440.16

Finding the Fourth Proportional to 10,014.03, 15,021.39 and 3,440.16

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Solution

The fourth proportional to 10,014.03, 15,021.39 and 3,440.16 is: 5,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.03 : 15,021.39 = 3,440.16 : x
  2. Step 2: Convert to fraction form
    10,014.03/15,021.39 = 3,440.16/x
  3. Step 3: Cross multiply
    10,014.03x = 15,021.39 × 3,440.16
  4. Step 4: Simplify right side
    10,014.03x = 51,675,985.02
  5. Step 5: Solve for x
    x = 51,675,985.02/10,014.03
  6. Step 6: Final answer
    x = 5,160.36

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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.