Home / 10,271.80-15,407.70-3,346.30

Finding the Fourth Proportional to 10,271.80, 15,407.70 and 3,346.30

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Solution

The fourth proportional to 10,271.80, 15,407.70 and 3,346.30 is: 5,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.80 : 15,407.70 = 3,346.30 : x
  2. Step 2: Convert to fraction form
    10,271.80/15,407.70 = 3,346.30/x
  3. Step 3: Cross multiply
    10,271.80x = 15,407.70 × 3,346.30
  4. Step 4: Simplify right side
    10,271.80x = 51,558,786.51
  5. Step 5: Solve for x
    x = 51,558,786.51/10,271.80
  6. Step 6: Final answer
    x = 5,019.45

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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.