Home / 15,804.82-21,811.58-9,092.35

Finding the Fourth Proportional to 15,804.82, 21,811.58 and 9,092.35

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Solution

The fourth proportional to 15,804.82, 21,811.58 and 9,092.35 is: 12,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.82 : 21,811.58 = 9,092.35 : x
  2. Step 2: Convert to fraction form
    15,804.82/21,811.58 = 9,092.35/x
  3. Step 3: Cross multiply
    15,804.82x = 21,811.58 × 9,092.35
  4. Step 4: Simplify right side
    15,804.82x = 198,318,519.41
  5. Step 5: Solve for x
    x = 198,318,519.41/15,804.82
  6. Step 6: Final answer
    x = 12,547.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.