Home / 34,207.21-51,309.30-10,513.80

Finding the Fourth Proportional to 34,207.21, 51,309.30 and 10,513.80

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Solution

The fourth proportional to 34,207.21, 51,309.30 and 10,513.80 is: 15,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,207.21 : 51,309.30 = 10,513.80 : x
  2. Step 2: Convert to fraction form
    34,207.21/51,309.30 = 10,513.80/x
  3. Step 3: Cross multiply
    34,207.21x = 51,309.30 × 10,513.80
  4. Step 4: Simplify right side
    34,207.21x = 539,455,698.63
  5. Step 5: Solve for x
    x = 539,455,698.63/34,207.21
  6. Step 6: Final answer
    x = 15,770.23

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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.