Home / 13,627.98-20,422.80-10,842.26

Finding the Fourth Proportional to 13,627.98, 20,422.80 and 10,842.26

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Solution

The fourth proportional to 13,627.98, 20,422.80 and 10,842.26 is: 16,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.98 : 20,422.80 = 10,842.26 : x
  2. Step 2: Convert to fraction form
    13,627.98/20,422.80 = 10,842.26/x
  3. Step 3: Cross multiply
    13,627.98x = 20,422.80 × 10,842.26
  4. Step 4: Simplify right side
    13,627.98x = 221,429,205.41
  5. Step 5: Solve for x
    x = 221,429,205.41/13,627.98
  6. Step 6: Final answer
    x = 16,248.13

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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.