Home / 15,570.90-23,374.80-12,286.26

Finding the Fourth Proportional to 15,570.90, 23,374.80 and 12,286.26

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Solution

The fourth proportional to 15,570.90, 23,374.80 and 12,286.26 is: 18,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.90 : 23,374.80 = 12,286.26 : x
  2. Step 2: Convert to fraction form
    15,570.90/23,374.80 = 12,286.26/x
  3. Step 3: Cross multiply
    15,570.90x = 23,374.80 × 12,286.26
  4. Step 4: Simplify right side
    15,570.90x = 287,188,870.25
  5. Step 5: Solve for x
    x = 287,188,870.25/15,570.90
  6. Step 6: Final answer
    x = 18,443.95

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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.