Home / 19,205.40-28,851.30-13,373.40

Finding the Fourth Proportional to 19,205.40, 28,851.30 and 13,373.40

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Solution

The fourth proportional to 19,205.40, 28,851.30 and 13,373.40 is: 20,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.40 : 28,851.30 = 13,373.40 : x
  2. Step 2: Convert to fraction form
    19,205.40/28,851.30 = 13,373.40/x
  3. Step 3: Cross multiply
    19,205.40x = 28,851.30 × 13,373.40
  4. Step 4: Simplify right side
    19,205.40x = 385,839,975.42
  5. Step 5: Solve for x
    x = 385,839,975.42/19,205.40
  6. Step 6: Final answer
    x = 20,090.18

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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.