Home / 10,021.67-15,031.49-3,448.32

Finding the Fourth Proportional to 10,021.67, 15,031.49 and 3,448.32

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Solution

The fourth proportional to 10,021.67, 15,031.49 and 3,448.32 is: 5,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.67 : 15,031.49 = 3,448.32 : x
  2. Step 2: Convert to fraction form
    10,021.67/15,031.49 = 3,448.32/x
  3. Step 3: Cross multiply
    10,021.67x = 15,031.49 × 3,448.32
  4. Step 4: Simplify right side
    10,021.67x = 51,833,370.36
  5. Step 5: Solve for x
    x = 51,833,370.36/10,021.67
  6. Step 6: Final answer
    x = 5,172.13

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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.