Home / 13,207.40-19,772.78-10,276.82

Finding the Fourth Proportional to 13,207.40, 19,772.78 and 10,276.82

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Solution

The fourth proportional to 13,207.40, 19,772.78 and 10,276.82 is: 15,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.40 : 19,772.78 = 10,276.82 : x
  2. Step 2: Convert to fraction form
    13,207.40/19,772.78 = 10,276.82/x
  3. Step 3: Cross multiply
    13,207.40x = 19,772.78 × 10,276.82
  4. Step 4: Simplify right side
    13,207.40x = 203,201,300.96
  5. Step 5: Solve for x
    x = 203,201,300.96/13,207.40
  6. Step 6: Final answer
    x = 15,385.41

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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.