Home / 13,797.18-20,675.70-10,451.07

Finding the Fourth Proportional to 13,797.18, 20,675.70 and 10,451.07

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Solution

The fourth proportional to 13,797.18, 20,675.70 and 10,451.07 is: 15,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.18 : 20,675.70 = 10,451.07 : x
  2. Step 2: Convert to fraction form
    13,797.18/20,675.70 = 10,451.07/x
  3. Step 3: Cross multiply
    13,797.18x = 20,675.70 × 10,451.07
  4. Step 4: Simplify right side
    13,797.18x = 216,083,188.00
  5. Step 5: Solve for x
    x = 216,083,188.00/13,797.18
  6. Step 6: Final answer
    x = 15,661.40

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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.