Home / 18,941.58-28,412.40-12,373.26

Finding the Fourth Proportional to 18,941.58, 28,412.40 and 12,373.26

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Solution

The fourth proportional to 18,941.58, 28,412.40 and 12,373.26 is: 18,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.58 : 28,412.40 = 12,373.26 : x
  2. Step 2: Convert to fraction form
    18,941.58/28,412.40 = 12,373.26/x
  3. Step 3: Cross multiply
    18,941.58x = 28,412.40 × 12,373.26
  4. Step 4: Simplify right side
    18,941.58x = 351,554,012.42
  5. Step 5: Solve for x
    x = 351,554,012.42/18,941.58
  6. Step 6: Final answer
    x = 18,559.91

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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.