Home / 13,895.40-20,852.70-10,002.60

Finding the Fourth Proportional to 13,895.40, 20,852.70 and 10,002.60

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Solution

The fourth proportional to 13,895.40, 20,852.70 and 10,002.60 is: 15,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.40 : 20,852.70 = 10,002.60 : x
  2. Step 2: Convert to fraction form
    13,895.40/20,852.70 = 10,002.60/x
  3. Step 3: Cross multiply
    13,895.40x = 20,852.70 × 10,002.60
  4. Step 4: Simplify right side
    13,895.40x = 208,581,217.02
  5. Step 5: Solve for x
    x = 208,581,217.02/13,895.40
  6. Step 6: Final answer
    x = 15,010.81

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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.