Home / 19,019.09-28,530-5,869.75

Finding the Fourth Proportional to 19,019.09, 28,530 and 5,869.75

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Solution

The fourth proportional to 19,019.09, 28,530 and 5,869.75 is: 8,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.09 : 28,530 = 5,869.75 : x
  2. Step 2: Convert to fraction form
    19,019.09/28,530 = 5,869.75/x
  3. Step 3: Cross multiply
    19,019.09x = 28,530 × 5,869.75
  4. Step 4: Simplify right side
    19,019.09x = 167,463,967.50
  5. Step 5: Solve for x
    x = 167,463,967.50/19,019.09
  6. Step 6: Final answer
    x = 8,805.05

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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.