Home / 13,292.40-19,899.90-10,361.76

Finding the Fourth Proportional to 13,292.40, 19,899.90 and 10,361.76

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Solution

The fourth proportional to 13,292.40, 19,899.90 and 10,361.76 is: 15,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.40 : 19,899.90 = 10,361.76 : x
  2. Step 2: Convert to fraction form
    13,292.40/19,899.90 = 10,361.76/x
  3. Step 3: Cross multiply
    13,292.40x = 19,899.90 × 10,361.76
  4. Step 4: Simplify right side
    13,292.40x = 206,197,987.82
  5. Step 5: Solve for x
    x = 206,197,987.82/13,292.40
  6. Step 6: Final answer
    x = 15,512.47

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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.