Home / 13,335.03-19,998.90-5,019.57

Finding the Fourth Proportional to 13,335.03, 19,998.90 and 5,019.57

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Solution

The fourth proportional to 13,335.03, 19,998.90 and 5,019.57 is: 7,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.03 : 19,998.90 = 5,019.57 : x
  2. Step 2: Convert to fraction form
    13,335.03/19,998.90 = 5,019.57/x
  3. Step 3: Cross multiply
    13,335.03x = 19,998.90 × 5,019.57
  4. Step 4: Simplify right side
    13,335.03x = 100,385,878.47
  5. Step 5: Solve for x
    x = 100,385,878.47/13,335.03
  6. Step 6: Final answer
    x = 7,527.98

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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.